Humans spend an average of 25 years sleeping during the course of their entire lives.
A baby brain can use up to 50% of its glucose in a day, which explains why they need to sleep so much.
Men dream of other men 70% of their dreams. Whereas women dream of men and women alike.
Parents of newborns lose approximately 6 months of sleep during the first 2 years of the baby’s life.
If you sleep less than 7 hours each night, it can reduce your life expectancy.
12% of people dream only in black and white
Blind people dream, but without images. Their dreams involve emotions, sounds, smells and touch.
Some deaf people sign (their communication language) while they sleep.
Lack of sleep can cause people to gain around 1 kilo a week.
People sleep differently depending on the phases of the moon. We tend to sleep better under the new moon, and worse under the full moon.
The famous English singer, John Lennon used to sleep in an old coffin from time to time.
More calories are burned during sleep than while watching television.
Women experience more nightmares than men.
When the dolphins sleep , half of their brain remains awake.
Parasomnia is a sleep disorder that causes you to move unusually or speak during sleep.
Koalas sleep more than any other mammal, they do it 22 hours a day.
The dream has 4 stages, each time we go through all of them a cycle of sleep is fulfilled, which lasts between 60 and 100 minutes.
It is estimated that 30% of people are morning, 30% are nocturnal and 40% are halfway.
The longest anyone has every gone without sleep is 11 days. It is a world record.
Snoring occurs during the non-REM sleep cycle, and dreams appear during the stage of REM (Fast Eye Movement) sleep.
It takes 2 weeks to die of hunger. However, 10 days without sleep could kill you.