Lack of sleep can age a man’s sex life by 10 to 15 years.

Smiling makes you feel happier, even if you’re faking it.

You burn more calories sleeping than you do watching television.

Women’s hair is about half the diameter of men’s hai

The brain replays memories during sleep for memory consolidation.

From the age of thirty, humans gradually begin to shrink in size.

The average person is about a quarter of an inch taller at night.

Blind people experience visual hallucinations when they take LSD.

Those who get out of bed by 7am likely to be thinner and happier.

Mind-blowing sex can actually wipe your memory clean temporarily.

If your skin is laid flat it will cover an area of 18 square feet.

Wearing headphones for 1 hour increases the bacteria in your ears.

Blowing on your thumb can ease anxiety as it slows the heart rate.

Anxiety over maths lights up the same brain areas as physical pain.

Your ribs move about 5 million times a year, everytime you breathe.