Sleep can be defined as the resting state in which the body is inactive and the mind is unconscious.
- The longest sleepless record was 18 days, 12 hours and 40 minutes in a marathon. The record holder reported that he had hallucination (saw or heard invincible things), paranoia, loss of sight, blurred speech and loss of focus and memory.
- Newborn babies usually make their parents loss between 400 to 750 hours during the first year
- Nobody can confirm if animal’s dream in their sleep, but some animals have similar sleep cycle as human
- Being awake for 17 hours nonstop will make someone have a performance level of a person will 0.05 percent alcohol level in their body.
- The Exxon Valdez oil spill in Alaska in 1989, the Challenger space shuttle tragedy and Chernobyl nuclear accident – related to lacks of sleep on human
- The expert estimate that exhausting was the main reason for one in every deadly road accidents
- In average, human sleeps less 3 hours compared to animals like chimpanzee, monkeys and baboons which sleep 10 hours per day
- Animals like ducks were able to balance their sleeps and survive from predators. They can split half of their brains to stay awake while the other half sleeps.
- 10% of those whose swore in their sleep suffer from sleep apnoea – a problem which will make the sufferer stop breathing up to 300 times a night and increase the risk of heart attack or stroke.
- Teen ages must sleep like a child which is amount 10 hours per day, while those who are 65 years and above need around6 hours a day. Elder person between the age of 25-55 years, need around 8 hours.
- A research shows that women need an hour more sleep than men. Lack of an hour sleep was believed the main problem of depression among women than men.
- Experts says that the main factor which make human sleep less is because of the 24 hours Internet facility