The term circadian is derived from Latin to mean “about a day.” Organisms ranging from single-cell organisms and plants to sea slugs and humans demonstrate circadian rhythms near twenty-hour patterns. In humans, numerous physiological and behavioral processes demonstrate circadian rhythms but the sleep-wake rhythm is one of the most important and observable cyclical rhythms. The… Continue reading The Zombie Zone
Tag: Sleep
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The 20th-century evolutionary biologist, Theodosius Dobzhansky, said, “nothing in biology makes sense except in the light of evolution.” From the perspective of evolution and its twin fitness functions of survival and reproduction, sleep is a seemingly difficult phenomenon to make sense of and explain. When we are asleep, we cannot gather food, socialize, find a… Continue reading 😴💤
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