Although sleep involves most of the brain, the basal forebrain region is particularly important to slow-wave and REM sleep. Sterman and Clemente found that electrical stimulation of this area produced drowsiness and the subjects of the study readily fell asleep. Evidence also suggests that the mechanisms involved in an animal's ability to regulate its own body temperature (thermoregulation) are closely related to those involved in sleep. There are certain neurons that are extremely sensitive to changes in brain temperature. Warming of the preoptic area and the anterior hypothalamus (POAH) induces slow-wave sleep, similar to the effects of electrical s
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