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How Much Sleep Do You Really Need? Fruit Flies Might Shed Light on the Answer
JAY GORY, MANAGING EDITOR, science
In a new study published on Thursday in the journal PLOS Genetics, researchers used artificially bred fruit flies to examine the role of genes in the sleep process. “This study is an important step toward solving one of the biggest mysteries in biology: the need to sleep,” lead study author Susan Harbison, an investigator in the Laboratory of Systems Genetics at the National Heart, Lung, and Blood Institute (NHLBI), said in a statement. Harbison and her colleagues analyzed 13 generations of wild fruit flies—some of which they bred to sleep up to 18 hours each day, while others were bred to sleep only three hours each day. read more
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