Date of Publication
- peterLv 41 decade agoBest Answer
Title：What Sleep Is and Why All Kids Need It
Publication：The Nemours Foundation
Date of Publication：August 2007
Author：Michael Goodman, MD
Summary：Everything that's alive needs sleep to survive. Even your dog or cat curls up for naps. Animals sleep for the same reason you do - to give your body a tiny vacation.
Sleep helps you fight fatigue and stress. When a headache strikes, sleep may help relieve the pain by changing the levels of serotonin and other chemicals in your brain.
If you don't sleep well, you may feel irritable and cranky. You may lose your patience quickly and find it difficult to concentrate. You may struggle with headaches and other physical signs and symptoms.
Perhaps ironically, sleeping too much can have the same effect. If you're vulnerable to headaches, sleeping longer than usual may only aggravate head pain.Source(s): www.kidshealth.org/parent/kh_misc/about.html