May 24
Not all people dream in color. In fact, 12% of people dream exclusively in black and white. Additionally, people who become blind after birth can still see images in their dreams while those who never experienced sight have vivid dreams involving their other senses.
Jan 13
A new baby typically results in 400-750 hours lost sleep for parents in the first year.
If you fall asleep in less than five minutes at night it means you’re sleep deprived. The ideal is between 10 and 15 minutes, meaning you’re still tired enough to sleep deeply, but not so exhausted you feel sleepy by day.
One of the loudest snores recorded in Guiness World Records was 93 decibels (120db is a jet engine), by Kare Walkert of Kumla, Sweden, in 1993.
Jan 13
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.
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.
