Some interesting facts about sleep that you probably didn't know. Everything from facts about sleep deprivation to REM sleep, to methods to reset the sleep-wake clock.
A few of the 40 facts below:
The Rest of the Facts:- Some studies suggest women need up to an hour's extra sleep a night compared to men, and not getting it may be one reason women are much more susceptible to depression than men.
- Ducks at risk of attack by predators are able to balance the need for sleep and survival, keeping one half of the brain awake while the other slips into sleep mode.
- Exposure to noise at night can suppress immune function even if the sleeper doesn’t wake. Unfamiliar noise, and noise during the first and last two hours of sleep, has the greatest disruptive effect on the sleep cycle