Because of the association with dreaming, REM (rapid eye movement) sleep has been the subject of intense investigation. Sleep researchers have specifically deprived sleeping subjects of REM sleep by waking them up each time a bout of REM sleep begins. Effects of REM Sleep REM Seep Deprivation has two consistent effects. First, with each successive … Read more
The long-term deprivation of sleep can be harmful to human beings. There is a disorder called fatal familial insomnia. In this disorder, individuals experience increasingly severe disturbances in sleep. Slow-wave sleep finally disappears and only brief periods of REM (random eye movement phase when people have dreams) sleep occurs. This disease is fatal, but whether … Read more
Everyone has had the experience of feeling completely miserable after a sleepless night. So it seems reasonable to focus on sleep deprivation as a possible source of useful information about the nature and function of sleep. What are the causes of sleep deprivation ? Case Study: Certain causes are voluntary. For example in one demonstration, … Read more
Like hunger and thirst, sleep is a basic biological drive we can’t ignore. Sleep serves many useful purposes. Newborn babies are not very good at controlling their bodies. Like puppeteers testing which strings move which limbs, infants must find which neurons connect to which muscle fiber. Quiet time spent asleep may provide a key opportunity … Read more