Sleep Deprivation

Getting enough sleep really isn't optional

The typical adult needs 7 to 7 1/2 hours of sleep each night, while for teenagers and young adults under 25 about 9 to 10 hours of sleep per night is recommended, says Ann Romaker, MD, director of the University ...

Mar 04, 2015
popularity 14 comments 1

Sleep deprivation is the condition of not having enough sleep; it can be either chronic or acute. A chronic sleep-restricted state can cause fatigue, daytime sleepiness, clumsiness and weight loss or weight gain. It adversely affects the brain and cognitive function. Few studies have compared the effects of acute total sleep deprivation and chronic partial sleep restriction. Complete absence of sleep over long periods is impossible for humans to achieve (unless they suffer from fatal familial insomnia); brief microsleeps cannot be avoided. Long-term total sleep deprivation has caused death in lab animals.

This text uses material from Wikipedia licensed under CC BY-SA

Latest Spotlight News

Poses of power are less powerful than we thought

Legs apart, chest thrust forward, shoulders back: these 'power poses' are supposed to influence hormone production and willingness to take on risk in accordance with a study that attained global attention. ...

Researcher observes active role of auditory neurons

Cells in the brainstem that underlie sound localization, compare signals at the two ears and can pause while doing so. This was shown by researchers at the Laboratory for Auditory Neurophysiology in Leuven, ...

In Alzheimer's mice, memory restored with cancer drug

Memory and as well as connections between brain cells were restored in mice with a model of Alzheimer's given an experimental cancer drug, Yale School of Medicine researchers reported in the journal Annals of ...