"News From The Future" with Dr Catherine Ball

Buy the book here.
Podcast transcript:
Hello and Welcome to News From The Future, spoken by the eleven labs audio clone of Dr Catherine Ball.
In this new short series we will be focussing on Sleep.
We all do it, and we all recognise when we have not had enough of it.
Dr Cath’s new book The Future of Sleep is out now and available globally in paperback, audiobook, and ebook.
We think you’ll get something life changing from it.
Today we are talking about something a bit controversial - People who don’t dream!
Enjoy!
Some mornings, you open your eyes and the dream you just had feels so vivid and real, it’s almost as if you’re still in it. You might even feel the emotions lingering in your chest, taking a few moments to reorient yourself to reality. Other mornings, there’s nothing—just a blank slate and the quiet sense of having slept. You may even know people who claim they don’t dream at all. But here’s the truth: everyone dreams. Every single one of us. The real difference lies in whether or not we remember those dreams.
Dreaming is a universal part of the human sleep experience, but dream recall varies widely. To understand why, it helps to first look at the mechanics of sleep itself. Every night, our sleep follows a predictable cycle that repeats approximately every 90 minutes. This cycle includes three main stages: light sleep, deep sleep, and rapid-eye-movement (REM) sleep.
During the first half of the night, we spend more time in deep sleep. This stage is restorative—it’s when our bodies repair themselves, replenish energy, and help store memories. But as the night progresses, we transition to spending more time in REM sleep, which is critical for memory consolidation and emotional processing. REM sleep is also the stage most closely linked to vivid, emotional dreams.
Now, here’s the key: if you wake up during or immediately after REM sleep, you’re much more likely to remember a dream. On the other hand, if you wake up from deep sleep, you probably won’t, even though you were dreaming earlier in the night. This isn’t a sign that something is wrong; it’s just how the brain operates during different stages of sleep.
There’s also a common misconception that dreams only occur during REM sleep. While it’s true that REM dreams are typically more vivid, emotional, and story-like, dreaming can happen in other stages of sleep as well. These non-REM dreams tend to be quieter and harder to recall. So, if you wake up one morning with a crystal-clear memory of your dream and another morning with no recollection at all, that’s perfectly normal. It simply means you woke up at a different point in your sleep cycle.
So why do some people seem to remember their dreams more often than others? Several factors come into play here. For one, age can influence dream recall. As we get older, our ability to remember dreams tends to decline. Gender may also play a role, with some studies suggesting that women are more likely to recall dreams than men. Medications, such as antidepressants or sedatives, can also impact dream recall by altering the structure of sleep.
Timing is another significant factor. Since REM sleep becomes more prominent later in the night, dreams that occur closer to morning are easier to remember. Additionally, waking up briefly during the night—whether from a noise, a restless child, or some other disturbance—provides an opportunity to capture a dream before it fades. This is why light sleepers and parents of young children often report remembering more dreams.
The way you wake up can also make a difference. If you’re jolted awake by a loud alarm or sudden noise, the dream can disappear almost instantly. But if you’re woken gently—perhaps by someone softly calling your name or a gradual light alarm—there’s a better chance the dream will linger long enough for you to remember it. Some people are naturally better at recalling dreams, too. These “high recallers” seem to have an innate ability to capture their dreams before they fade away completely.
Let’s dive into the nature of dreams themselves. Why do some dreams feel unusually intense, emotional, or even dramatic? The answer lies in the brain activity that occurs during REM sleep. In this stage, there’s increased activation in areas of the brain responsible for emotions, such as the amygdala and the limbic system. At the same time, the prefrontal cortex—the part of the brain that handles logic, self-control, and emotional regulation—is less active. This unique combination can make dreams feel vivid, surreal, and emotionally charged.
Stress, life changes, or heightened emotions in your waking life can also contribute to more intense dreams. Often, dreams reflect elements of our real-life experiences as the brain processes events from the day and consolidates them into long-term memory. While intense dreams can sometimes feel unsettling, they’re usually a normal part of healthy emotional processing.
Now, let’s address a common question: does remembering your dreams mean you had a good night’s sleep? Not necessarily. Dream recall isn’t a reliable indicator of sleep quality. Forgetting your dreams doesn’t mean your sleep was perfect, and remembering them doesn’t mean it was poor. Instead, the best way to assess your sleep quality is by considering how you feel during the day. Do you wake up feeling rested? Do you have enough energy to get through your day? These are the real markers of good sleep.
For most people, variations in dream recall and intensity are entirely normal and nothing to worry about. Dream frequency and vividness can vary widely from person to person and even over the course of a lifetime. However, there are certain situations where it might be worth seeking advice from a health professional. For example, if you’re experiencing persistent daytime exhaustion despite spending enough time in bed, if you’re having frequent and distressing nightmares, or if your sleep is regularly disrupted by panic or difficulty falling back asleep, it may be time to consult a sleep specialist.
In the end, dreams are just one fascinating aspect of the complex process of sleep. Whether you remember them vividly or not at all, they’re a natural part of how your brain processes emotions, consolidates memories, and restores itself for the day ahead. So, if you wake up feeling rested, functional, and emotionally stable, you can rest assured that your sleep—and your dreams—are working exactly as they should.
Please share this podcast with anyone you know who sleeps.
Thank you for supporting my work.
Please follow me on LinkedIn or subscribe to my substack for more News From The Future
And please buy my book: The Future of Sleep.
Thank you.



This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit drcatherineball.substack.com/subscribe

Buy the book here.
Podcast transcript:
Hello and Welcome to News From The Future, spoken by the eleven labs audio clone of Dr Catherine Ball.
In this new short series we will be focussing on Sleep. We all do it, and we all recognise when we have not had enough of it.
Dr Cath’s new book The Future of Sleep is out now and available globally in paperback, audiobook, and ebook.
We think you’ll get something life changing from it.
Today we are talking about something a bit controversial - Sleep Divorce to save your relationship!
Enjoy!
Sleeping separately, often referred to as a “sleep divorce,” is a growing trend among couples, with recent data showing that 18% of couples now opt for this arrangement. While the term might sound negative, many couples find that separate sleeping spaces improve their sleep quality and even strengthen their relationships. Let’s delve into the reasons behind this trend, its benefits, the stigma surrounding it, and how couples can navigate this decision successfully.
Take Hannah, a 36-year-old from Hobart, for example. During her pregnancy, her snoring became so disruptive that her partner moved to the spare bedroom. Even after she gave birth and underwent sinus surgery, which largely resolved her snoring, the couple decided to continue sleeping apart. They found the arrangement so beneficial that it became a permanent part of their lives. Hannah even recommends it to other couples, though she admits she’s faced judgment from others who assume separate sleeping arrangements indicate a troubled relationship.
This stigma is something Naomi Doyle, a family dispute resolution practitioner, frequently encounters in her work. Doyle explains that society often equates sleeping apart with relationship problems, but this view is overly simplistic. She notes that, in most cases, the decision to sleep separately stems from practical concerns rather than emotional disconnect. For example, many couples experience poorer sleep quality when sharing a bed due to factors like snoring, restlessness, or differing schedules. These issues can make sleeping together more of a challenge than a comfort.
So, why do couples choose to sleep separately? The most common reason is to improve sleep quality. Conditions like sleep apnea, snoring, or being a light sleeper can make sharing a bed difficult. Additionally, some people have different sleep schedules—such as shift workers—making it hard to align their routines. Parents may also opt for separate sleeping arrangements temporarily, especially when one partner is responsible for nighttime baby care. In some cases, couples simply prefer different bedtime rituals or ways of unwinding, and separate spaces allow them to embrace these differences.
Health issues and changing attitudes also play a role. Doyle points out that women going through perimenopause, for instance, often experience fluctuating body temperatures and may find it harder to tolerate disruptions during sleep. As people age, they also become less concerned with societal norms around co-sleeping. Doyle says there’s a growing recognition that practicality often trumps the idealized notion that “good couples” must always share a bed.
However, there are instances where sleeping separately might signal relationship tension. For example, couples who are arguing or experiencing a loss of intimacy might avoid sharing a bed. Doyle emphasizes the importance of open communication in these cases, as avoidance or lack of discussion can exacerbate feelings of disconnect. If one partner feels hurt or lonely due to separate sleeping arrangements, it’s crucial to address these emotions and find a solution that works for both parties.
On the flip side, good sleep is essential for maintaining healthy relationships. Couples therapist and sexologist Isiah McKimmie highlights how poor sleep can lead to irritability, resentment, and even long-term health issues, all of which can strain a relationship. When couples are well-rested, they’re more patient, present, and emotionally available for each other. Doyle adds that many couples report improved relationships after changing their sleeping arrangements, as better sleep reduces conflict and fosters a more positive dynamic.
That said, not everyone has the luxury of separate sleeping spaces. Smaller homes or apartments may not allow for this option. In such cases, couples can still make adjustments to prioritize sleep quality, such as investing in a larger bed, using white noise machines, or exploring other sleep aids.
Despite the practical benefits, a “pervasive stigma” still surrounds the idea of sleeping apart. Hannah, for instance, has faced judgment from friends who equate separate bedrooms with a lack of intimacy. One friend even questioned how she managed to conceive while sleeping in a different room from her partner. Doyle challenges this assumption, pointing out that cultural norms around co-sleeping vary widely. In some cultures, it’s common for entire families to share a bed, while in others, separate bedrooms were historically a sign of luxury and status. From the 17th to 19th centuries, for example, European upper-class couples often had separate bedrooms, and this was seen as a mark of affluence rather than relational discord.
So, are couples happier sleeping separately? The answer depends on communication and mutual understanding. Doyle and McKimmie stress that sleep and intimacy serve different functions. Couples can maintain emotional and sexual connection even if they sleep in separate beds, as long as they make an effort to prioritize intimacy in other ways. For instance, some couples spend time together in the same bed before going to sleep or in the morning, while others set aside specific times for physical intimacy. Rituals of connection, whether cuddling, talking, or engaging in shared activities, are crucial for maintaining closeness.
However, not all couples are on the same page when it comes to sleeping arrangements. If one partner feels hurt or lonely, it’s important to address these feelings openly. Doyle suggests that couples who struggle with this issue might benefit from seeking guidance from a third party, such as a couples counselor or sex therapist. These professionals can help navigate disagreements and ensure that sleeping arrangements don’t become a source of ongoing conflict.
For couples who choose to sleep separately, there are creative ways to maintain intimacy. McKimmie suggests “sleepovers,” where couples spend a night together in the same bed, or rituals like cuddling before sleep and then retreating to separate spaces. These small gestures can help preserve the emotional and physical connection that’s vital to a healthy relationship.
In summary, the decision to sleep separately is deeply personal and varies from couple to couple. For some, it’s a practical solution to improve sleep quality and overall relationship satisfaction. For others, it may require careful communication and compromise to ensure that intimacy and connection are preserved. Whatever the arrangement, the key takeaway is that good sleep is essential for a healthy relationship, and there’s no one-size-fits-all approach to achieving it. By prioritizing open communication and understanding, couples can find the sleeping arrangement that works best for them, free from societal judgment or stigma.
Please share this podcast with anyone you know who sleeps.
Thank you for supporting my work. Please follow me on LinkedIn or subscribe to my substack for more News From The Future.
And please buy my book: The Future of Sleep.
Thank you.
Thanks for reading "News From The Future" with Dr Catherine Ball! This post is public so feel free to share it with anyone you know who sleeps.



This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit drcatherineball.substack.com/subscribe

Podcast Transcript:
Hello and Welcome to News From The Future, spoken by the eleven labs audio clone of Dr Catherine Ball.
In this new 2026 short series we will be focussing on Sleep. We all do it, and we all recognise when we have not had enough of it.
Dr Cath’s new book The Future of Sleep is out now and available globally in paperback, audiobook, and ebook.
Amazon link here.
We think you’ll get something life changing from it.
Today we are talking about something a bit controversial - Adolescent mental health and sleep patterns.
Enjoy!
The Australian-first study conducted by the Black Dog Institute offers a deep dive into understanding mental health trajectories in adolescents, particularly focusing on depression and anxiety. This large-scale research, known as the Future-Proofing Study, tracked over 6,000 students from Year 8 to Year 11 across 130 schools starting in 2019. By analyzing how mental health issues manifest and evolve during adolescence, the study aims to predict and protect the teens who are most at risk. The findings provide crucial insights into the factors that exacerbate or mitigate mental health challenges, ranging from sleep habits and peer relationships to adversity at home.
The study’s findings are both revealing and concerning. While two-thirds of the students reported minimal or no significant symptoms of depression or anxiety, a troubling one in four experienced persistently high or worsening mental health issues. Specifically, 26% of participants reported symptoms of anxiety, and 19% experienced depression. Professor Aliza Werner-Seidler, the study’s co-lead investigator, noted that many of these mental health problems were already evident by Year 8. This highlights the need for earlier intervention, potentially targeting children in upper primary school. Werner-Seidler pointed out that younger children are increasingly reporting behaviors such as self-harm and suicidal thoughts, which necessitates a shift in focus toward prevention efforts at an earlier age.
One of the study’s most significant findings is the role of sleep in predicting mental health outcomes. Sleep emerged as one of the strongest indicators of poor mental health, with one in three participants reporting persistent or increasing insomnia symptoms. Alarmingly, 11% of these students experienced clinically significant insomnia, which made them four to six times more likely to develop high levels of anxiety and depression. Despite its critical importance, sleep health is often overlooked in public health education. Werner-Seidler emphasized that many teenagers and their parents are unaware of how much sleep is necessary or how to address sleep difficulties effectively. She also criticized before-school extracurricular activities, which are often misaligned with teenagers’ natural circadian rhythms, suggesting that school should be the first activity of the day.
The study outlines several practical strategies to improve sleep hygiene for adolescents. Teenagers aged 13 to 18 need eight to ten hours of sleep per night, and the following tips can help achieve this: exposure to daylight in the morning, maintaining consistent bedtimes and wake-up times, following a bedtime routine (such as dimming lights and brushing teeth), avoiding screens 30 to 60 minutes before bed, limiting caffeine intake four to six hours before bedtime, and engaging in regular physical activity during the day. The researchers also recommend routine screening for sleep problems, stronger sleep education programs in schools, and training clinicians to treat insomnia as ways to address this issue on a broader scale.
Another key protective factor identified in the study is the role of peer relationships and school connectedness. Adolescents who reported higher levels of connection to their school and positive peer relationships in Year 8 were more likely to experience better mental health and wellbeing by Year 10. However, about 25% of students reported low levels of school connectedness. Werner-Seidler explained that exclusion and bullying during adolescence can have a particularly detrimental impact on mental health, as teenage brains are especially sensitive to rejection. This sensitivity is heightened compared to younger children or adults, making the teenage years a critical period for fostering a sense of belonging.
Schools play a vital role in creating environments that support peer relationships and promote inclusion. By fostering a culture of belonging and addressing issues like bullying, schools can significantly improve students’ mental health outcomes. The study also highlighted a pronounced gender divide in mental health symptoms. Girls and gender-diverse adolescents were significantly more likely to experience anxiety and depression compared to boys, a disparity that becomes evident during puberty. Werner-Seidler noted that this gender difference in mental health symptoms is not typically seen in primary school but becomes pronounced as children transition into adolescence.
The story of Cassia, an 18-year-old participant whose surname has been withheld, illustrates the findings of the study. Cassia began experiencing mental health challenges as early as Year 5, struggling with depression, eating issues, and friendship difficulties. She was later diagnosed with obsessive-compulsive disorder (OCD), but her mental health worsened during high school due to the loss of a close friendship. This led to intrusive thoughts, self-harm, and a sense of isolation. Cassia’s situation deteriorated to the point where she was hospitalized in Year 10 and was not allowed to return to her school, further exacerbating her feelings of rejection. However, with the help of psychotherapy, medication, and supportive school environments, she was able to recover and graduate with a close group of friends. Now studying to become a teacher’s aide, Cassia’s story underscores the importance of early intervention, strong peer support, and accessible mental health resources.
The study also examined the impact of adverse experiences at home on adolescent mental health. Factors such as verbal abuse, parental divorce, household mental illness, and exposure to life-threatening danger were found to predict a range of mental health issues by Year 10. These included new incidents of self-harm, suicidal ideation, hyperactivity problems, and peer difficulties. More than half of the participants reported experiencing at least one adverse event in their home life. However, not all adversity leads to poor outcomes. For example, in some cases, parental divorce can be a relief for children, depending on the circumstances. Professor James Scott, a University of Queensland Conjoint Professor of Child and Youth Psychiatry, emphasized the importance of having support systems in place to help children and their families navigate challenging situations.
In conclusion, the Future-Proofing Study provides valuable insights into the factors that influence adolescent mental health. By identifying modifiable risk factors such as sleep habits, peer relationships, and school connectedness, the study highlights opportunities for early intervention and prevention. Addressing these areas through education, policy changes, and support systems can significantly reduce the prevalence of anxiety and depression among teenagers. The findings underscore the importance of a holistic approach to adolescent mental health, one that involves families, schools, and healthcare providers working together to create a supportive environment for young people.
Please share this podcast with anyone you know who sleeps.
Thank you for supporting my work. Please follow me on LinkedIn or subscribe to my substack for more News From The Future
And please buy my book: The Future of Sleep.
Thank you.
Thanks for reading "News From The Future" with Dr Catherine Ball! This post is public so feel free to share it with anyone you know who sleeps.



This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit drcatherineball.substack.com/subscribe

Podcast transcript:
Hello and Welcome to News From The Future, spoken by the eleven labs audio clone of Dr Catherine Ball.
In this new short series we will be focussing on Sleep. We all do it, and we all recognise when we have not had enough of it.
Dr Cath’s new book The Future of Sleep is out now and available globally in paperback, audiobook, and ebook formats.
Amazon link here.
We think you’ll get something life changing from it.
Today we are talking about something a bit controversial - Infant Sleep
Enjoy!
Infant sleep is one of the most misunderstood aspects of child development, with countless myths and misconceptions that can leave parents confused and overwhelmed. From the idea that babies should sleep through the night by a certain age to whether motion naps are restorative, these beliefs often stem more from cultural norms and commercial sleep programs than from scientific evidence. Let’s break down five of the most common myths about infant sleep and explore what research actually tells us.
To start, the notion that most babies “sleep through the night” is far from accurate. While parents often see this as a milestone, studies consistently show that night wakings are normal and persist well into toddlerhood. For example, a large Norwegian study involving over 55,000 infants found that nearly 70% of six-month-olds woke at least once during the night, and even at 18 months, more than 25% were still waking. Similarly, a 2020 Finnish study of 5,700 babies found that three- to eight-month-olds woke an average of more than twice per night, 12-month-olds woke 1.8 times, and 18- to 24-month-olds woke about once per night.
It’s important to note that these findings are based on parental reports, which may underestimate the true number of wakings. Parents might not always notice when their baby wakes briefly. When more objective methods, such as video recordings, are used, the data show even higher numbers. A 2001 study using video monitoring revealed that three-month-olds woke an average of three times per night, six-month-olds 3.5 times, nine-month-olds 4.7 times, and 12-month-olds 2.6 times. However, the good news is that as babies approach their second birthday, these night wakings tend to decrease naturally. By two years of age, only about 25% of children wake during the night.
That said, while frequent night wakings are common, they’re not always “normal.” The belief that children will continue waking unless they’re “taught” not to ignores the fact that most infants naturally consolidate their sleep over time. It also risks overlooking potential underlying health issues that could disrupt sleep. For instance, iron deficiency, which affects around 15% of toddlers in the U.S., has been linked to restless sleep and frequent night wakings. Other conditions, such as food allergies, gastroesophageal reflux disease (GERD), and ear infections, can also contribute to unsettled sleep. Additionally, sleep disorders like obstructive sleep apnea affect up to 6% of children and can cause frequent waking, particularly between the ages of two and six years. These examples highlight the importance of considering medical factors if a baby’s sleep seems unusually disrupted.
Another widespread misconception is the idea that most babies need 12 hours of uninterrupted sleep per night. This belief has been popularized by the “7-7” schedule, which assumes that anything less than 12 hours is inadequate. However, research suggests that this idealized schedule doesn’t reflect the reality for most children. An Australian study of 5,000 babies found that children from infancy to nearly five years old slept an average of 11 hours at night—not 12. Even the youngest group in the study, aged four to six months, averaged about 11 hours of nighttime sleep.
Sleep patterns also vary widely across cultures, challenging the notion of a universal “ideal” sleep duration. For instance, one study found that babies in Australia, Canada, the UK, and the U.S. slept around 10 hours per night on average, while babies in Taiwan, Hong Kong, and India slept closer to nine hours. These differences reflect cultural norms and parenting practices rather than biological needs. Even in societies that promote the 7-7 schedule, organizations like the American Academy of Sleep Medicine recommend total sleep (including naps) of 12-16 hours for four- to 12-month-olds and 11-14 hours for one- to two-year-olds. They don’t specify how much of this sleep should occur at night, and some researchers question the scientific basis for these recommendations.
The idea that motion naps—such as those taken in a stroller, sling, or car—are less restorative is another myth that lacks scientific support. In fact, some research suggests that motion naps may even be beneficial. A study on two-month-olds found that rocking helped babies fall asleep more easily and reduced crying. Similarly, babies with obstructive sleep apnea experienced fewer obstructive events when sleeping on rocking mattresses compared to stationary ones.
While no studies have directly examined infants’ brain activity during motion naps, research on adults provides some insights. Studies using electroencephalogram (EEG) monitoring have shown that gentle rocking increases the amount of time spent in deep sleep, helps people transition into deep sleep more quickly, enhances brain oscillations associated with memory consolidation, and reduces time spent in light sleep. These findings suggest that motion naps are not only restorative but may also promote healthy brain development. This makes sense when you consider that babies spend about 90% of their time in utero sleeping, much of it while being “rocked” by their mother’s movements.
Finally, the concept that “sleep breeds sleep” is another common misconception. While it’s true that overtired babies can become more stressed and harder to settle, the idea that more daytime sleep automatically leads to better nighttime sleep isn’t strongly supported by research. In fact, studies on older toddlers and preschoolers have found the opposite: napping during the day can make it harder for them to fall asleep at night and may lead to more night wakings.
For younger infants, the relationship between daytime and nighttime sleep is less clear. One study using actigraphy—a method that tracks sleep-wake patterns through wearable devices—found that for six- and 15-week-old babies, longer daytime naps didn’t affect nighttime sleep. However, by 24 weeks, longer naps were associated with slightly more nighttime sleep, but the difference was minimal. For example, an extra hour of daytime sleep resulted in just 14 additional minutes of nighttime sleep. It’s also possible that other factors, such as growth spurts, influenced these findings rather than the naps themselves.
This minimal impact of daytime sleep on nighttime sleep aligns with the concept of the sleep-wake homeostat, or “sleep pressure.” This biological mechanism drives the need for sleep based on how long a person (or baby) has been awake. If a baby sleeps too much during the day, their sleep pressure may not be high enough to make falling asleep at night easy. Ultimately, sleep needs are highly individual, and trying to “force” a baby to sleep more than their body requires is unlikely to be successful.
In conclusion, infant sleep is highly variable and influenced by a range of factors, from cultural norms to individual health conditions. While some myths persist, research shows that night wakings are common and decrease naturally over time, motion naps are restorative, and the relationship between daytime and nighttime sleep is complex. Parents should focus on understanding their baby’s unique sleep needs rather than adhering to rigid schedules or expectations. By approaching infant sleep with flexibility and an open mind, parents can better support their child’s natural development and well-being.
Please share this podcast with anyone you know who sleeps.
Thank you for supporting my work. Please follow me on LinkedIn or subscribe to my substack for more News From The Future
And please buy my book: The Future of Sleep.
Thank you.
Thanks for reading "News From The Future" with Dr Catherine Ball! This post is public so feel free to share it with anyone who sleeps.



This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit drcatherineball.substack.com/subscribe

Podcast transcript:
Hello and Welcome to News From The Future, spoken by the eleven labs audio clone of Dr Catherine Ball.
In this new short series we will be focussing on Sleep. We all do it, and we all recognise when we have not had enough of it.
Dr Cath’s new book The Future of Sleep is out now globally and available as a paperback, audiobook, and ebook. We think you’ll get something life changing from it. 5 star reviews are flying in.
Amazon link here.
Today we are talking about something a bit controversial - sleep banking
Enjoy!
The concept of “sleep banking” has been stirring up discussions lately, both in scientific circles and among wellness enthusiasts. It’s an intriguing idea: rather than just catching up on sleep after a period of deprivation, what if you could stockpile extra hours of rest before a demanding stretch to offset future sleep loss? Advocates claim this strategy can enhance focus, improve athletic performance, and help you stay sharp during periods of reduced sleep. But does it really hold up under scrutiny? Let’s explore the science, the debates, and the practical takeaways.
First, picture this: it’s the weekend, and you finally have the chance to sleep in after a long, exhausting week. Many of us take this opportunity to “catch up” on lost sleep, treating it as a way to recover from those early mornings and late nights. But some researchers are flipping this narrative. Instead of playing catch-up, they propose that we might be better off “banking” extra sleep in advance of busy or sleepless periods. Could this proactive approach really work?
The idea of sleep banking isn’t new. It was first introduced in 2009 by researchers at the Walter Reed Army Institute of Research in the U.S. Led by Tracy Rupp, who is now at Utah State University, the team sought to find ways to help soldiers maintain alertness and cognitive performance during missions where sleep was scarce. The analogy they used is simple: just as you’d deposit money into a bank account to avoid overdraft fees, sleep banking involves adding extra hours of sleep to your “account” to prevent cognitive and physical deficits when sleep deprivation inevitably hits.
In their study, Rupp and her colleagues worked with 24 military personnel, dividing them into two groups. One group was allowed seven hours of sleep per night, while the other got 10 hours of sleep nightly for a week. After this initial phase, both groups were subjected to severe sleep restriction—just three hours of sleep per night for several nights—before returning to a more typical eight-hour schedule. The results were telling: those who had banked extra sleep performed better in tests measuring alertness and cognitive function during the sleep-deprived phase. This suggests that the additional rest acted as a buffer, helping the brain and body better cope with the lack of sleep.
The concept is gaining traction beyond the lab, particularly among wellness enthusiasts on platforms like TikTok. Many users advocate for sleep banking as a way to prepare for long-haul flights, major work events, or other high-stress situations. They see it as a kind of safety net, a proactive measure to maintain mental and physical performance during demanding times. But while the idea is appealing, it’s not without its critics.
One major point of contention among researchers is whether sleep banking works if you’re already carrying a significant “sleep debt.” Rupp and her team believe it can, but they emphasize the importance of paying off sleep debt as soon as possible. In other words, while sleep banking might help mitigate the effects of future sleep deprivation, it’s not a substitute for addressing chronic sleep deficits.
Elizabeth Klerman, a professor of neurology at Massachusetts General Hospital and Harvard Medical School, offers a different perspective. She argues that sleep isn’t like a piggy bank where you can build up a surplus. Instead, she likens it to a credit card: you can accumulate debt, but you can’t store up extra credit in advance. Klerman’s skepticism is rooted in experiments where participants were given more time in bed but didn’t actually sleep longer. According to her, the idea of sleep banking assumes that people can sleep when they’re not tired—a claim she says lacks robust evidence.
Klerman is also concerned about the potential implications of promoting sleep banking as a viable strategy. She warns that it might encourage people to justify sleep deprivation, believing they can “make up for it” later. This, she argues, could have serious consequences for health and well-being, as sleep is essential for everything from immune function to mental health. While Klerman does advocate for catching up on lost sleep when possible, she cautions against long naps. Anything over 45 minutes, she says, can lead to sleep inertia—that groggy, disoriented feeling you get when waking up from a deep sleep.
So, where does this leave us? The science of sleep banking is still evolving, and there’s no consensus among experts. However, there’s general agreement on one point: consistent, quality sleep is crucial for overall health and performance. Even if sleep banking does offer some benefits, it’s not a replacement for regular, restorative sleep.
Interestingly, the conversation around sleep banking touches on broader questions about how much sleep we actually need. Research suggests that even an extra 30 minutes of sleep per night can be beneficial. However, consistently needing more than 12 hours of sleep could indicate an underlying health issue, according to experts like Howell.
Beyond the specifics of sleep banking, the discussion raises fascinating questions about the role of sleep in our lives. For example, did you know that your gut microbes can influence your sleep patterns? Or that communal sleeping—a practice common in many cultures throughout history—might have benefits we’ve largely forgotten in our modern, individualistic lifestyles? And then there’s the question of why some people feel tired all the time, even when they seem to be getting enough sleep. These are all areas where science is uncovering surprising connections between sleep, health, and behavior.
In summary, sleep banking is an intriguing concept with some promising early research, but it’s not without its critics. The idea of preparing for sleepless periods by stocking up on rest is appealing, especially in our fast-paced, sleep-deprived world. However, the science is far from settled, and experts caution against using it as an excuse to skimp on sleep. Whether you’re banking hours in advance or paying off a sleep debt, the key is to listen to your body and make sleep a priority—not just on the weekends, but every day.
Please share this podcast with anyone you know who sleeps.
Thank you for supporting my work. Please follow me on LinkedIn or subscribe to my substack for more News From The Future
And please buy my book: The Future of Sleep. Thank you.
Thanks for reading "News From The Future" with Dr Catherine Ball! This post is public so feel free to share it with anyone who sleeps.



This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit drcatherineball.substack.com/subscribe