The human brain uses approximately as much energy as a 10 watt light bulb.
Lack of water
Lack of water is the #1 trigger of daytime fatigue.
More Health Facts
Brain energy consumption
Brain survival time without oxygen
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
Look younger and more attractive
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.