Restoration theory suggests that the function of sleep is to repair or restore the brain and body to peak condition. Sleep is therefore related to the demands placed on the brain and body (growth, exersion, damage etc)
- Williams et al (1959) found that it was impossible to prevent microsleep in piolts beyond 72 hours of sleep deprivation. This suggests that sleep is very important to the bodies survival that the brain forces the body to sleep. This supports restoration theory and is supported by cases like Peter Tripp.
- Peter Tripp deprived himself of sleep for 201 hours during which he showed a dramatic decrease in his mental well being and left him with a perminant personality change. This suggests that sleep has an essential role in restoring the bodies essencial functions. During the period of sleep deprivation Tripp experienced vivid hallucinations which, when his brain waves were studied , showed a simularity to REM sleep, suggesting that REM sleep is so important that the brain forces the body into it even during waking hours.
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