Amazing facts you do not know about sleep

The longest recorded period of sleep without sleep was 264 hours, which is more than 11 days, and an American student named "Randy Gardner", who was 18 years old, managed this in 1964. Failure to sleep caused him audiovisual hallucinations as he could see and hear things that were not there, when he slept for the rest of his sleep for 15 continuous hours.

The pain tolerance improves the more a person sleeps.

Tokyo is the least sleepy city in the world with an average number of hours of sleep in 5 hours and 44 minutes, while the average hours of sleep for residents of Berlin is 6 hours and 49 minutes.

If you stay awake for 17 hours, it will be difficult for you to remember things accurately and your perception of things will be affected, you may miss the context that accompanies things.

Studies have shown that sleeping less than 7 hours a night or getting used to not getting enough sleep reduces your life expectancy.

Sleep disturbances increase as the height of the area in which you live increases. If you move to a very high area, you may take anywhere from two to three weeks to adjust.

You can study and learn while you sleep. If you are taking a certain exam before bed, your brain will continue to analyze information during sleep as well.

Adequate sleep increases your intelligence, studies say that the brain works to strengthen its cognitive abilities during sleep.

A quarter of an hour is the naps that "Leonardo Da Vinci" slept in the interstitial times during his work. He states that he did not sleep for many years, as he slept at a rate of 15 minutes every four working hours.

Sleeping at work is acceptable in Japan, as it indicates exhaustion and fatigue at work.

In World War I a Hungarian man was injured in the frontal lobe of the brain, which made it impossible to sleep and continued his entire life without sleep.