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In the study, 70.6% of students reported obtaining less than 8 hours of sleep, and up to 27% of students may be at risk for at least one sleep disorder. [142] Sleep deprivation is common in first-year college students as they adjust to the stress and social activities of college life.
Additionally, only 4% of students obtain 7 hours of sleep or more. The average was 5.7 hours of sleep and students on average pull 2.7 "all-nighters" per month. Note that "all-nighters" is the term used when one does not sleep throughout the entire night. [9]
Since the REM stages typically occur during the second half of sleep, sleeping too little may not allow the body enough time to complete all the REM sleep cycles, per the National Sleep Foundation.
The American Academy of Sleep Education says most healthy adults only need seven hours of sleep per night, debunking the idea that the magic number for everyone is eight hours. However, the ...
Sleep requirements vary by age and personal factors, but most adults need 7-9 hours of sleep per night to function at their best. You may need more or less depending on your lifestyle and age.
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.
Sleep debt or sleep deficit is the cumulative effect of not getting enough sleep. A large sleep debt may lead to mental or physical fatigue, and can adversely affect one's mood, energy, and ability to think clearly. There are two kinds of sleep debt: the result of partial sleep deprivation, and of total sleep deprivation.
Is seven hours enough sleep or too little? Experts discuss how much sleep people need, the health consequences of sleep deprivation, and how to sleep more.