28 Interesting and Surprising Facts about Sleep

Is there anyone who doesn’t love to sleep? After a day filled with so many activities, all we want to do is to lie in our beds, fall asleep and get into the world of dreaming. The basic reason why we do that is because we want to have a rest, clear our mind, and prepare for the upcoming day. But, have you ever wondered what actually happens when we sleep?

We have made a research to find out what actually happens when we sleep. Here are some interesting and surprising facts about sleep we have discovered in our research, which you may not know.

1. Infants need 14-17 hours of sleep a day, adults over 65 only need about 6. The average adult person should aim to get at least 8 hours sleep.

2. We only dream about people and faces we have already seen. They can be people we see every day, or people that we have met only once in our lives, and don’t remember them when we are awake.

3. Men dream about other men even 70% of the time, unlike women who dream about men and women equally.

4. 12% of people dream entirely in black and white. That percentage was much higher (about 75%) when we had black and white TV.

5. Dreaming is normal. People who don’t dream have personality disorders.

6. You can die from lack of sleep before you starve to death. It takes about 2 weeks or more to starve to death, but only 10 days to die from sleep deprivation.

7. Your favorite sleep position tells a lot about your personality. For instance, people who usually sleep in the fetal position are sensitive and insecure souls.

8. Parasomnia is a term that refers to unnatural and unusual movements during your sleep. Some people have even committed crime this way, without being aware.

9. It’s thought that about 15% of the population are sleepwalkers.

10. 1 in 4 married couples sleep in separate beds. Snoring usually is the key reason for that.

11. The higher the altitude, the greater the sleep disruption. When we sleep our whole body is in a resting state, and our organs are resting as well. At higher altitude lungs have to work harder while we are sleeping, which makes sleep disrupted. This disruption is caused by diminished oxygen levels and changes in respiration.

12. It can take up to 15 minutes to fall asleep in average (of course if you don’t suffer from insomnia).

13. Humans are the only living species that will deprive themselves from sleeping in order to do some other activities. Animals will never do that.

14. People who have a higher income generally sleep much better and easily fall asleep.

28 Interesting and Surprising Facts about Sleep Photo

15. The average person wakes up about 4-6 times a night due to different distractions (bad dreams, inappropriate room temperature, or they need to go to the toilet).

16. We spend about 1/3 of our lives sleeping, which is approximately 25 years for the average person. Can you imagine that?

17. The average person spends 6 years of their life dreaming.

18. When dolphins sleep, only half of their brain shuts down, the other half stays awake to help with their breathing cycles.

19. Blind people experience sensory dreams involving things such as emotion, sound, smell and touch rather than sight.

20. We usually forget 50% of our dreams within 5 minutes of waking up.

21. Regular exercise makes it easier to fall asleep. But we need to be careful, and avoid exercising right before going to bed, because it will actually make falling asleep even harder.

22. Tiredness reaches its peak at two different times of the day: about 2:00 AM and 2:00 PM. Now we realize what is actually responsible for the post-lunch need for a nap.

23. Shift workers have increased risk for a variety of chronic sicknesses, such as cardiovascular and gastrointestinal diseases.

24. The body can never get used to shift work.

25. Finding it hard to wake up and get out of bed in the morning is a state called dysania. Usually it is a result of a nutritional deficiency, depression or some other problems.

26. 24-hour Internet access is considered to be one of the biggest sleep distractions.

27. Myoclonic jerk, also known as hypnic jerk, is that moment right before you fall asleep when you feel like you’re falling and suddenly you jolt wide awake.

28. A giraffe only needs 1.9 hours of sleep a day, whereas a bat needs 19.9 hours.

We must admit that although there are so many facts about sleep, we still don’t have a clue why every human being sleeps to survive. It is very interesting issue worth discussing, and making a research about.