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Sleep may even help memory in very young babies
Three-month-old infants have better recall when they get a brief nap after learning something new, according to small experiment that suggests sleep may play a role in solidifying memories very early in life.
Too little sleep, or too much, linked to risk of heart disease
Sleep irregularities may be tied to a variety of health problems, such as diabetes and obesity, that can increase the risk of cardiovascular disease,
Sleep's memory role discovered
The mechanism by which a good night's sleep improves learning and memory has been discovered by scientists.
Brain cleans itself during sleep: study
Scientists said Thursday they have found what could be sleep's basic purpose: it clears the brain of toxic metabolic byproducts.
