understand more about:
· The nature and function of sleep.
· How much sleep a person really needed
· Why some people needed more sleep than others.
· Why some well-known personalities who suffered from severe
insomnia were still able to live productive lives.
· The causes of sleeplessness
· The physical and psychological effects of sleep deprivation
· The effect of stress on sleep.
http://insomniayaxq.blogspot.com/