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Article: Are you sleep-deprived?
- Article from:
- The Malay Mail
- Article date:
- November 25, 2000
- Author:
CopyrightCopyright 2000 The Malay Mail. Provided by ProQuest LLC. (Hide copyright information)
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SLEEP is one of the most popular research topics in psychology,
yet there are still few definitive answers about this mysterious
daily period of inactivity.
Professor Chris Idzikowski, chairman of the Royal Society Of
Medicine's Forum On Sleep and director of the Sleep Assessment And
Advisory Service, says: "I Still don't think we really know why we
need sleep."
There are two theories. First, we sleep in order to conserve
energy, because even though our brain activity remains high during
sleep, our physical activity is kept at a minimum.
Body temperature is lowered by one to two degrees celsius when we
sleep, so our metabolic rate consequently drops by 20pc
Second, sleep is a chance for the ...