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Sleep deprivation, also known as sleep insufficiency [2] or sleeplessness, is the condition of not having adequate duration and/or quality of sleep to support decent alertness, performance, and health.
One researcher found only getting five hours of sleep a night or pulling an all-nighter is the same as drinking four or more drinks. You're also more likely to get sick.
Is five hours of sleep enough? Doctors explain how much sleep you need, quality sleep basics, health effects of sleeping 5 hours and tips for better sleep.
There are very rare exceptions: people called “short-sleepers,” who can function well and don’t face any health consequences despite sleeping only four hours or less each night, Dr. Bhanu ...
Microsleep is extremely dangerous when it occurs in situations that demand constant alertness, such as driving a motor vehicle or working with heavy machinery. People who experience microsleeps often remain unaware of them, instead believing themselves to have been awake the whole time, or to have temporarily lost focus.
Sleeping Girl, Domenico Fetti, c. 1615 . Sleep is a state of reduced mental and physical activity in which consciousness is altered and certain sensory activity is inhibited. . During sleep, there is a marked decrease in muscle activity and interactions with the surrounding environm
Cutting sleep short on a regular basis may harm immune stem cells, potentially increasing the risk of inflammation and heart disease. How much sleep do I need? Cutting sleep short on a regular ...
Randy Gardner (born c. 1946) is an American man from San Diego, California, who once held the record for the longest amount of time a human has gone without sleep.In December 1963/January 1964, 17-year-old Gardner stayed awake for 11 days and 24 minutes (264.4 hours), breaking the previous record of 260 hours held by Tom Rounds.