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Sleep Debt

Fri, Oct 2, 2009

Sleep Debt

Sleep debt is the cumulative effect of not getting enough sleep. A large sleep debt may lead to mental and/or physical fatigue. There are presumed to be two kinds of sleep debt:

  • caused by partial sleep deprivation 
  • coused by total sleep deprivation
    • Partial sleep deprivation occurs when a person or a lab animal sleeps too little for many days or weeks
    • Total sleep deprivation means being kept awake for days or weeks
    • There is debate in the scientific community over the specifics of sleep debt, and it is not considered to be a disorder. (Wikipedia)  

You can sleep longer for a later sleep withdrawal. However, you can’t go into sleep debt. Eventualy, sleep debt will negatively impact on your health, mood and daily performance. To ensure you’re well rested, sleep 7 to 8 hours each day. Sleep is not like money– you cannot repay it! 

 Misconception about Sleep Debt

It is commonly acceptied fact that “sleep debt” occur when people haven’t had enough sleep. Comparing to a financial term of debt, people think that deficite of sleep is also repayable. People tend to sleep longer on weekends than on on any other days. However,  the ost common misunderstanding of sleep debt is not accurate at all. Let’s see what sleep researhes have concluded:

  • Sleep debt is not direct and identical compensatin of the sleep dprivation
  • After considerable sleep deprivation, most people require just two or three good night sleep to get back to normal
  • See the math: having one hour per night less than usual for 5 consecutive nights from Monday to Froday, does not fprces you to sleep additional 5 extra hours on Saturday or on Sunday.

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