
Sleeping every other day, also known as segmented sleep, is a rare phenomenon that affects a small number of people. It involves sleeping for a full night and then staying awake for the next, repeating this cycle. This sleep pattern is not a new concept, with historical records showing that segmented sleep was common in pre-industrial times. While some people may naturally fall into this sleep pattern, for others, it can be the result of insomnia or other sleep disorders.
The causes of segmented sleep are not yet fully understood, and there are mixed views on its safety. While some individuals report feeling calm and rested, others experience negative side effects such as anxiety and fatigue. Experts advise against intentionally altering your sleep schedule without a valid reason, as sleep deprivation can have detrimental effects on your health and well-being.
| Characteristics | Values |
|---|---|
| Sleep Pattern | Sleeping every other night |
| Sleep Duration | 8 hours |
| Sleep Quality | Deep sleep |
| Energy Levels | High energy and alertness during the day |
| Productivity | Increased productivity due to extra time |
| Health Effects | Unknown long-term health effects |
| Lifestyle Suitability | May disrupt social life and work schedule |
| Circadian Rhythm | Internal clock misaligned with the 24-hour cycle |
| Insomnia | Alternating patterns of insomnia and deep sleep |
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What You'll Learn

Sleep deprivation and productivity
The idea of sleeping every other day is intriguing, and some people claim to follow this pattern, but is it a healthy and productive approach?
The Impact of Sleep Deprivation
Firstly, it is essential to understand the consequences of sleep deprivation. While some individuals may feel they can function adequately on reduced sleep, the body and mind require a certain amount of sleep to maintain optimal performance. Sleep deprivation can have a range of negative effects, including changes in metabolism, increased risk of accidents, and impaired learning and memory. It can also lead to weight gain by raising hormones that increase appetite and food consumption.
The Concept of Segmented Sleep
The idea of segmented sleep, or sleeping in two shifts, is not new. Historically, people would often wake up for a couple of hours in the middle of the night, engaging in various activities before returning to sleep. In today's fast-paced world, some people view segmented sleep as a way to gain more productive time. However, there are mixed views on its effectiveness and safety. While some individuals claim to feel calm and rested with extra energy, others find it challenging to maintain this schedule, especially with family and work commitments.
Health Considerations
The long-term health implications of segmented sleep are not yet fully understood. While some experts suggest that sleeping in two rounds at night may not cause health issues, others caution against it due to the many unknowns. It is essential to consider individual differences, as sleep needs can vary. Additionally, artificial light at night can disrupt circadian rhythms, so keeping light exposure to a minimum during nighttime wakefulness is recommended.
Managing Insomnia
For those who experience insomnia or irregular sleep patterns, natural remedies and lifestyle changes can be explored. This may include meditation, herbal sleeping pills, or magnesium supplements. Establishing a consistent sleep schedule, maintaining social interactions, and keeping regular meal times can also help normalize the sleep-wake cycle.
While the idea of gaining extra productive time by sleeping every other day may be tempting, it is important to prioritize adequate sleep. Sleep deprivation can have significant negative consequences on overall health and productivity. Exploring natural remedies and lifestyle changes to improve sleep quality is recommended before considering drastic measures such as segmented sleep. Adequate rest is crucial for maintaining physical and mental well-being, and it is always best to consult with a healthcare professional for personalized advice.
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Insomnia and natural remedies
Insomnia is a common sleep disorder that can make it difficult to fall and stay asleep. While the amount of sleep needed varies from person to person, most adults need at least seven hours of sleep per night. If you are experiencing insomnia, there are several natural remedies that you can try to improve your sleep.
Mindfulness Meditation
Meditation has been shown to reduce stress, improve concentration, and boost immunity. A 2011 study found that meditation significantly improved insomnia and overall sleep patterns. You can meditate as often as you like, and for as little as 15 minutes per day.
Mantra Repetition
Repeating a mantra or positive affirmation can help focus and calm your mind, producing feelings of relaxation. A 2015 study found that participants who repeated a mantra experienced reduced levels of insomnia. Choose a mantra that you find calming and pleasant, and repeat it silently throughout the day and before sleeping.
Yoga
Yoga can help improve sleep by reducing stress and improving physical functioning. It is recommended to choose a style that focuses on moving meditation or breathwork rather than difficult physical movements. Practising a few longer sessions per week, along with daily self-practice, can help you relax and unwind before bed.
Exercise
Physical activity can improve sleep quality. Engaging in at least 20 minutes of moderate exercise per day can help reduce insomnia and improve symptoms of depression and anxiety. However, it is important to avoid exercising within two hours of bedtime, as it can release endorphins and raise your body temperature, making it harder to fall asleep.
Magnesium
Magnesium is a natural mineral that helps muscles relax and relieves stress, encouraging healthy sleep patterns. A 2012 study found that participants who took 500 mg of magnesium daily for two months experienced improved sleep patterns and reduced insomnia symptoms. It is recommended to take up to 400 mg per day for men and 300 mg per day for women.
Lavender Oil
Lavender is known to improve mood, reduce pain, and promote sleep. A 2014 study showed that lavender oil capsules improved sleep patterns in individuals with depression. Lavender oil can be taken orally, added to a diffuser, sprayed onto your pillow, or consumed as tea.
Melatonin Supplements
Melatonin is a natural hormone that helps regulate sleep-wake cycles. It can help you fall asleep faster and enhance your sleep quality. A 2016 study found that melatonin significantly improved sleep patterns in individuals with cancer and insomnia. It is recommended to take 1-5 mg of melatonin 30 minutes to two hours before bedtime.
Chamomile Tea
Chamomile is a popular herbal sleep remedy with calming properties. It is believed to interact with benzodiazepine receptors in the brain involved in the sleep-wake transition. Unlike other teas, chamomile does not contain caffeine.
Other Tips for Improving Sleep
- Keep your bedroom dark, cool, and screen-free.
- Avoid caffeine, nicotine, and alcohol, which can disrupt sleep.
- Eat lighter meals at night, at least two hours before bedtime.
- Take a hot shower or bath before bed to relax.
- Listen to calming music or white noise.
- Maintain a consistent sleep schedule.
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Segmented sleep and its benefits
Segmented sleep, also known as polyphasic sleep, is a sleep pattern where sleep occurs in two or more sessions over a 24-hour period. This sleep pattern was the norm for centuries until the late 19th century, when the invention of artificial light changed our relationship with the natural environment.
Benefits of Segmented Sleep
The practice of segmented sleep offers several advantages, including:
- Increased productivity: The quiet time between sleep periods can be used to accomplish tasks without the demands of work, family, or social distractions.
- Intimacy and self-reflection: The time between sleep segments provides a unique opportunity for self-reflection, meditation, and intimate moments with a partner.
- Enhanced dream recall: Segmented sleep, with its distinct stages, can lead to more vivid dream recall and an increased likelihood of lucid dreaming.
- Potential health benefits: Historians and doctors from previous centuries noted various health benefits, such as improved chances of conception and enhanced regulation of hormones like prolactin, testosterone, and estrogen.
- Flexibility: Segmented sleep may allow for more flexibility in daily schedules, accommodating varying energy levels and individual preferences.
- Natural rhythm: Some people find that segmented sleep aligns more closely with their natural rhythm, resulting in a calmer state of mind and increased energy during the day.
Considerations
While segmented sleep offers benefits, it is important to consider potential challenges and unknowns. The impact of artificial light during the awake period can disrupt circadian rhythms, and modern lifestyles with family and work commitments may not easily accommodate this sleep pattern. Additionally, there is limited research on the long-term health effects of segmented sleep, and individual results may vary.
Overall, segmented sleep provides a fascinating insight into historical sleep patterns and offers an alternative approach to rest that may suit certain individuals in today's fast-paced world.
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Non-24-hour sleep-wake disorder
As a result of this ever-changing rhythm, people with N24SWD experience inappropriate fluctuations in appetite, mood, and alertness. During periods when their body clock is heavily desynchronized, they may experience insomnia at night and feel sleepy during the day. A few weeks later, they may not show any symptoms as their internal clock catches up with daylight hours once more.
N24SWD is one of six circadian rhythm sleep disorders and is considered an intrinsic sleep-wake disorder because the problem is mostly due to internal factors instead of external factors, such as jet lag or shift work. It is distinct from other intrinsic circadian rhythm disorders such as advanced and delayed sleep-wake phase disorders, in which the sleep-wake cycle is pushed significantly forward or backward, and irregular sleep-wake rhythm disorder, in which individuals display a fragmented sleep-wake cycle with napping throughout the day and long periods awake at night.
N24SWD is most common in people with total blindness, affecting up to 70% of the totally blind, due to the lack of light input reaching the internal clock. However, not all blind people suffer from this disorder, as some retain the ability to perceive light to a certain extent. The disorder can also occur in sighted people, although the cause is not well understood. It is estimated that N24SWD affects approximately 140,000 people in the European Union, with a total prevalence of about 0.03%.
Although N24SWD is assumed to be a lifelong condition, certain treatments can help restore a 24-hour rhythm. Accompanying symptoms such as daytime sleepiness tend to resolve once the individual adapts to a routine that is synchronized with the social day and night. However, an individual’s body clock will generally become desynchronized again once they stop these therapies. Treatments include melatonin supplements or the FDA-approved melatonin receptor agonist, tasimelteon, and bright light therapy in the morning for sighted people.
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Sleep and mental health
The bidirectional relationship between sleep and mental health is evident in various mental health disorders. For instance, around 75% of people with depression experience insomnia, while others may sleep excessively. Sleep problems were once believed to be a symptom of depression, but research now suggests that poor sleep may trigger or worsen depressive symptoms, creating a negative feedback loop. Similarly, anxiety disorders are strongly associated with sleep problems, with worry and fear contributing to a state of hyperarousal, a significant contributor to insomnia.
Obstructive Sleep Apnea (OSA) is another aspect of sleep linked to mental health. OSA involves pauses in breathing during sleep, reducing oxygen levels and causing fragmented sleep. OSA occurs more frequently in people with psychiatric conditions and may worsen their physical health and mental distress.
Bipolar disorder also demonstrates the interplay between sleep and mental health. During manic periods, individuals with bipolar disorder often feel less need for sleep, while during depressive periods, they may sleep excessively. Here again, the bidirectional relationship is apparent, with evidence suggesting that sleep problems can induce or worsen manic and depressive episodes.
In addition to these conditions, sleep disturbances are also associated with schizophrenia, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder (ASD), and seasonal affective disorder.
While the exact mechanisms underlying the connection between sleep and mental health require further study, it is clear that addressing sleep problems can be a crucial component of treating mental health disorders. Cognitive Behavioral Therapy (CBT), particularly CBT for insomnia (CBT-I), has proven effective in reducing sleep problems and improving emotional well-being. Additionally, improving sleep hygiene by cultivating healthy sleep habits and creating a conducive bedroom environment can help reduce sleep disruptions.
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Frequently asked questions
There are mixed views on whether segmented sleeping is safe. Since there hasn't been much research on the effect sleeping in shifts can have on health, it's best to avoid it unless there's a reason you need to sleep that way. Adults need at least 7 hours of sleep in 24 hours, and there can be major consequences if you cut back.
People who sleep every other day report having more time to get things done, and feeling more rested and calm.
If you want to try an alternative sleeping schedule, pay attention to how you're feeling. Watch out for signals that it's not working. You don't want to put yourself and others at risk by trying to stay awake when your body says it's time to get shut-eye.













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