Sleep is essential, and we’re told time and again how it can help you maintain a healthy weight, perform better at work, and even decrease your chances of getting cancer. But there are many more fascinating facts about sleep than just that. We've rounded up the top fifty things you probably never knew about sleep.

    Fascinating Facts about Sleep you didn't know
  1. Men have dreams about other men 70% of the time, whereas women dream about women and men equally.
  2. Sleep deprivation is linked with lower libido and less interest in sex in both men and women.
  3. We can only dream about faces we have already seen.
  4. Parasomnia is a sleep disorder involving abnormal movements, behaviors, emotions and perceptions, even though you are asleep.
  5. Clinomania is the excessive desire to stay in bed.
  6. Somniphobia is the fear of sleep.
  7. 12% of people dream in only black and white. This number used to be higher, 75%, before the invention of colored television.
  8. People who do not dream at all generally have personality disorders.
  9. 41% of adults sleep in the fetal position.
  10. 1 in 4 married couples sleep in separate beds.
  11. Divorced, widowed and separated couples report the most insomnia.
  12. British soldiers were the first to develop a method to stay awake for 36 hours without sleep; upon fatigue, they would put on special visors that emulated the brightness of a sunrise and it would keep them awake.
  13. The 1989 Exxon Valdez oil spill, the Challenger space shuttle disaster, and the Chernobyl nuclear accident were all caused to some extent by sleep deprivation.
  14. The longest sleeping mammal is the koala bear, totaling 22 hours a day.
  15. The shortest sleeping mammal is the giraffe, sleeping a total of 1.9 hours a day (in 5-10 minutes sessions).
  16. Dolphins only fall half asleep. The brain hemispheres alternate between sleep-wake cycles so they can continue to surface to breathe.
  17. Humans may be the only species that can’t keep half of our brain awake.
  18. Humans sleep around three hours less per night than other primates, such as chimpanzees, rhesus monkeys, and baboons, all of whom sleep for 10 hours.
  19. Man is the only mammal the purposely delays sleep.
  20. According to experts, one of the most alluring sleep distractions is the 24-7 accessibility of the internet.
  21. The continuous brain recordings which led scientists to the discovery of REM sleep were delayed for many years (until 1953) because the scientists didn’t want to waste paper.
  22. You’ll die from sleep deprivation before food deprivation. Man can survive without food for 2 weeks, but only 10 days without sleep.
  23. Blind people don’t see images in their dreams. Their dreams involve emotion, sound, smell and touch, instead of sight.
  24. The blind often have trouble with sleep, since daylight is crucial to regulating the circadian rhythm.
  25. Within 5 minutes of waking up, 50% of your dream is forgotten. Within 10 minutes, 90% is gone.
  26. 1 out of 50 teenagers still wet their beds.
  27. A mattress will gain about 5% of its weight a year, due to the accumulation of dead skin, dust mites, sweat and bed bugs.
  28. An adult bedbug can survive up to a year without eating.
  29. The world record for not sleeping is 11 days, set by a 17 year old in 1964.
  30. The average person awakes about 6 times per night.
  31. Sleeping after learning something new increases your capability of remembering it.
  32. If it takes you less than five minutes to fall asleep than you are considered sleep deprived. The ideal is between 10 and 15 minutes.
  33. Scientists have determined that counting sheep is not effective at inducing sleep; they consider it to be too boring.
  34. You spend 1/3 of your life asleep, or 25 years of the average lifespan.
  35. You’ll spend 6 years of your life dreaming.
  36. Being awake for 16 hours is equivalent to having a blood alcohol level of .05%.
  37. We sleep a few minutes less per night during a full moon.
  38. You’ll burn more calories watching TV than you will sleeping.
  39. The less you sleep, the more your genes will contribute to your weight. The more you sleep, the less your genes contribute to your weight and the more control you have.
  40. Irregular sleep caused by working night shifts is classified as a potential cause of cancer by the World Health Organization.
  41. The body never adjusts to shift work.
  42. Higher altitudes are correlated with greater sleep disruptions. Above altitudes of 13,000 feet, the decreased oxygen levels are thought to be the cause.
  43. Exercising regularly makes it easier to fall asleep, but irregular exercise can make it more difficult.
  44. We naturally feel tired twice during the day: 2pm and 2am.
  45. Snoring is the primary cause for sleep disruption for 90 million Americans.
  46. Snoring only occurs during non-REM sleep.
  47. Scientists don’t know if animals dream during REM sleep.
  48. Specific eye movements during REM sleep correlate to specific movements in dreams, suggesting that dreaming is similar to watching a movie.
  49. Having a new baby usually results in 400-750 hours of lost sleep for parents in the first year.
  50. Everything we know about sleep has been learned in the last 25 years.

After reading through this list, the importance is a good night sleep is undeniable! To achieve the best sleep possible, invest in a new Nature’s Sleep memory foam mattress. Our memory foam mattresses and pillows offer you unparalleled luxury, while keeping you cool and comfortable all night long. You’ll wake up feeling refreshed and rejuvenated and wondering why you ddidn'tbuy a new memory foam mattress years ago! Come sleep with us.