30 lesser known facts about sleep
how much sleep do you need
babies 3-12 13-18 19-55 65+
16 hours 10 hours 10 hours 8 hours 6 hours
not sleeping for 16 hours leads to a decrease in performance equivalent to having a blood alcohol level of .05%
Scientist have determined that counting sheep is ineffective for putting oneself to sleep. Evidently it is too boring and imagining a calming landscape generally works much better.
what does your sleeping position mean?
41% 15% 13% 8% 7% 5%
fetus position log position yearner position soldier position freefall position starfish position
warms up quickly
can't take critisism
lack of sleep causes
20% 27% 73% 10x
of all car accidents
more likely to gain weight with 6 hours of sleep
more likely to gain weight with 5 hours of sleep
more risk of developing depression
you can only dream about faces you have already seen.
humans can survive longer without food than they can without sleep
Upon joining the european union, spain launched a campaign to get rid of its world famous siestas, or afternoon naps, in order to show that it was intent on integration.
there are at least 84 identified sleep/wake disorders.
the average person spends 6 years of their life dreaming.
sixty-five percent of americans lose sleep because of stress 65%
british soldiers were the first to use special goggles that simulated the brightness of a sunrise. the goggles helped the soldiers stay awake 36 hours without sleep.
the exploding head syndrome is a disorder in which when someone wakes up, they feel the sensation of an explosion going off in the head
if it takes you less than five minutes to fall asleep then very likely you are sleep deprived. the ideal amount of time is about 10 minutes.
upon five minutes of waking, 50% of a dream is forgotten. within 10 minutes, 90% of it is forgotten. 50% - 90%
a snoring partner wakes his non-snoring partner an average of 20 times per night, with an average sleep loss of one hour a day.
giraffes sleep only 1.9 hours a day in five-to 10-minute sessions. koalas, however, are the longest-sleeping mammals, sleeping up to 22 hours a day.
swifts are one of a few birds that can catch a few winks while on the wing. getting 3,000-6,000 feet above a pocket of warm air, a swift flaps roughly every 4 seconds, then glides for 3 seconds as it snoozes.
crocodiles sometimes rest with open mouths for heat regulation.
perching birds have a mechanical locking system to stabilize them when asleep.
both whales and dolphins literally fall half asleep. their brain hemispheres take turns so they can continue surfacing to breathe.
sharks sleep. contrary to popular belief, they can lie motionless on the ocean floor for a time. divers have even reported gently touching them without waking them.
1,500 more than 1,500 deaths a year are caused by drivers falling asleep
649,401 this is the average amount of hours a person sleeps during his or her lifetime.
70,000,000 this is the estimated amount of american citizens with a sleeping problem.
18,000,000,000 effects of sleep loss on work performance may be costing u.s. employers some $18 billion in lost productivity.
most of the facts on this page have only been discovered in the last 25 years