15 Fascinating Sleep Facts

15 Fascinating Sleep Facts

We have compiled a list of facts about the need for sleep, (as if you needed encouraging). So grab a pillow and get comfy, when you’ve finished reading this you’ll be sure to want a snooze.

  1. Scientist aren’t sure exactly why we need sleep

2. Humans are probably the only species that cannot keep half their brain conscious

3. 1/3 of your life is spent sleeping

4. On average 6 years of your life are spent dreaming

5. You only dream about faces you know

6. Sleeping strengthens memories

7. The Guinness World Record for sleep deprivation is 264 hours (11 days) and 12 minutes,

it was held by a 17 year old named Randy Gardner in 1964.

QI states the record is 18 days 21 hours and 40 minutes

8. Just 16 hours without sleep causes a decrease in performance

Performance Graph

9. A lack of sleep causes risky decision making

Pointing Finger

10. Insufficient sleep is similar to being drunk

Drinking Monkey

11. Sleep deprivation can result in a number of issues including fatigue, irritability, lack of concentration and stress.

Long term reduced sleep can cause a weakened immune system, depression and high blood pressure

Frustrated Man

12. Lack of sleep due to night shifts is classified as a potential cancer risk by the World Health Organisation

Man with Placard Lying Down

13. The Challenger space shuttle disaster, the Chernobyl nuclear meltdown and

Exxon oil spill all occurred due to a degree of sleep deprivation


14. The National Highway Traffic Safety Administration estimates that 100,000 vehicle

crashes a year are caused by drowsy drivers, that’s 1,500 deaths and thousands of injuries

Cars Bumping

BUT before you go into eternal hibernation…

15. Excess sleep can disrupt the body’s ability to use insulin, raising the risk of diabetes

Alarm Clock

Sleep is invaluable so don’t deprive yourself of it, or indeed indulge in too much. As per usual balance is the key, it is best to create a routine to regulate your body clock and keep things ticking over. Sweet dreams…