As the issue of health becomes more important in our everyday lives, ways to stay healthy have been increasingly investigated. One of the easiest ways a person can stay healthy is to sleep. Too little or sometimes too much sleep can be unhealthy and at times dangerous.
Before the beginning of sleep research in 1970 there was no rhyme or reason to why human beings slept other than being tired. One of the first sleep researchers, William Dement who is considered the "father of sleep research," discovered REM, Rapid Eye Movement, and started the first sleep research center in 1970.
In the early 1950's it was thought that consciousn
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