
Short Sleeper Syndrome (SSS) is a condition where people need less sleep than most. People with SSS typically sleep for six hours or fewer each night and wake up feeling refreshed and energised. The condition usually starts in childhood or adolescence and continues throughout life.
| Characteristics | Values |
|---|---|
| Name | Short Sleeper Syndrome (SSS) |
| Symptoms | Sleeping between four and six hours each night, waking up feeling rested, not needing an alarm clock, falling asleep easily, feeling good and having plenty of energy after a few hours of sleep |
| Cause | Genetic variations that reduce the biological need for sleep |
| Risk factors | Natural short sleepers tend to have this from childhood or adolescence |
| Health risks | No known health risks |
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What You'll Learn

Short Sleeper Syndrome (SSS)
If you have short sleeper syndrome (SSS), you need less sleep than a person typically needs. Most natural short sleepers get six or fewer hours of sleep on most nights, and they wake up feeling as though they've had a full night of sleep. SSS doesn't pose any known health risks, and there is no evidence that natural short sleepers suffer health complications from sleeping less.
The amount of sleep a person needs changes as they age, and sleep needs vary from person to person. Most adults need to sleep seven or more hours each night. Not getting enough sleep can lead to physical and mental health problems. However, short sleeper syndrome is different from simply not getting enough sleep. Those with SSS get enough of the two different phases of sleep: rapid eye movement (REM) sleep and non-REM sleep. REM sleep is the deep sleep in which dreaming occurs.
Short sleeper syndrome symptoms often begin when a person is a child or adolescent. If you’re a natural short sleeper, you typically need less sleep throughout your life. The main symptom of short sleeper syndrome is sleeping between four and six hours each night. You wake up even if you don't have to get up for work, school, or other obligations. Natural short sleepers don't need to use an alarm clock, fall asleep easily when they go to bed, and feel good and have plenty of energy, even after just a few hours of sleep.
Research is ongoing, but sleep scientists have evidence that natural short sleepers have genetic variations that reduce their biological need for sleep.
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Natural short sleepers
People who need less sleep than others are called natural short sleepers. They typically sleep for six or fewer hours a night and wake up feeling refreshed and energised. Natural short sleepers don't need an alarm clock to wake up and can fall asleep easily. They also don't experience any known health risks.
While most adults need seven or more hours of sleep each night, the amount of sleep a person needs can vary depending on age and individual factors. Getting enough sleep is crucial for maintaining physical and mental health. However, for natural short sleepers, sleeping less does not seem to cause any health complications.
Research into short sleeper syndrome is ongoing, and scientists are still working to understand the causes of this condition. While natural short sleepers may not experience any negative health effects, it is important to distinguish between getting enough quality sleep and simply needing less sleep than the average person. Quality sleep involves not only getting enough hours but also sleeping at the right time of day and experiencing both REM and non-REM sleep phases.
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Sleep needs vary from person to person
Some people have short sleeper syndrome (SSS), also known as short sleep syndrome. People with SSS need less sleep than a person typically needs, usually six or fewer hours of sleep on most nights. They wake up feeling like they've had a full night of sleep and have plenty of energy. SSS doesn't pose any known health risks.
Natural short sleepers have genetic variations that reduce their biological need for sleep. They tend to sleep less than six hours per night. There is no evidence that natural short sleepers suffer health complications from sleeping less.
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The amount of sleep you need changes as you age
Natural short sleepers have genetic variations that reduce their biological need for sleep. They tend to sleep less than six hours per night and don't need an alarm clock to wake up. They fall asleep easily and feel good and have plenty of energy, even after just a few hours of sleep.
However, it's important to note that getting enough sleep is crucial for good health and well-being. Most adults need seven or more hours of sleep each night. Not getting enough sleep can lead to physical and mental health problems. Healthy sleep involves not only getting enough hours of sleep but also sleeping at the right time of day and having good quality sleep. Good quality sleep means getting enough rapid eye movement (REM) sleep, the deep sleep in which dreaming occurs, and non-REM sleep.
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Sleep disorders
The amount of sleep a person needs changes as they age, and sleep needs vary from person to person. Most adults need seven or more hours of sleep each night. Not getting enough sleep can lead to physical and mental health problems, so it's important to understand your sleep needs and make sure you're getting quality sleep. Quality sleep means getting enough rapid eye movement (REM) sleep, the deep sleep in which dreaming occurs, as well as non-REM sleep. If you're not getting quality sleep, you may experience symptoms such as snoring or gasping for air.
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Frequently asked questions
Short sleeper syndrome (SSS), also known as short sleep syndrome.
People with short sleeper syndrome typically sleep between four and six hours each night, and wake up feeling rested and energised. They don't need an alarm clock, and fall asleep easily.
There is no evidence that short sleeper syndrome causes health complications. However, researchers are still studying the causes of the condition.










































