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ohh... so sleepy right now
while i don't want to go back to sleep, might as well share to you some facts about sleeping.
  • The average human will spend 1/3 or their life sleeping, which equates to about 20 - 25 years over 75 Year life span.
  • It's impossible to tell if someone is really awake without close medical supervision. People can take cat naps with their eyes open without even being aware of it.
  • The "natural alarm clock" which enables some people to wake up more or less when they want to is caused by a burst of the stress hormone adrenocorticotropin. Researchers say this reflects an unconscious anticipation of the stress of waking up.
  • To drop off we must cool off; body temperature and the brain's sleep-wake cycle are closely linked. That's why hot summer nights can cause a restless sleep. The blood flow mechanism that transfers core body heat to the skin works best between 18 and 30 degrees. But later in life, the comfort zone shrinks to between 23 and 25 degrees one reason why older people have more sleep disorders.
  • Teenagers need as much sleep as small children (about 10 hrs) while those over 65 need the least of all (about six hours). For the average adult aged 25-55, eight hours is considered optimal
  • Experts say one of the most alluring sleep distractions is the 24-hour accessibility of the internet.
  • The record for the longest period without sleep is 18 days, 21 hours, 40 minutes during a rocking chair marathon. The record holder reported hallucinations, paranoia, blurred vision, slurred speech and memory and concentration lapses.
  • One of the best predictors of insomnia later in life is the development of bad habits from having sleep disturbed by young children.
  • Dreams may not serve any purpose at all but be merely a meaningless by-product of two evolutionary adaptations sleep and consciousness.
  • 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.
these are just some interesting facts about sleep, you can see a lot more when you search the web.


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