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Definition of Sleep Deprivation

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Updated May 27, 2014

Written or reviewed by a board-certified physician. See About.com's Medical Review Board.

Definition:

When you obtain an inadequate amount of total sleep time, you may suffer sleep deprivation. This may result in decreased alertness, excessive daytime sleepiness, compromised daytime abilities, and major long-term health consequences such as obesity. The threshold for sleep deprivation may be different depending on your individual sleep needs, but obtaining less sleep than you need will inevitably lead to sleep deprivation.

Also Known As: sleep deprived
Examples:
If you do not sleep enough to meet your needs, you will suffer sleep deprivation.
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