每天最佳的睡眠时间是7到8小时，但人们却很难做得到。不过，有项研究大概足以让你找到补觉的动力：和休息得更好的同龄人相比，睡眠不足的健康成年人更容易长胖。
研究人员招募了225名非肥胖受试者，在严格控制的实验室环境中进行测试。他们限制了其中一部分人的睡眠时间，这些人只能在凌晨4点到早上8点间睡觉；而其他受试者则可以从晚上10点一直睡到第二天早上8点。
仅仅5天之后，每天只睡4小时的实验组受试者平均增重了0.9公斤以上，而睡眠充足的受试者……[查看全文]
Skimping on Sleep Packs On Pounds
The recommended seven to eight hours of sleep can be hard to get. But here’s a good excuse to make sure you catch those extra zzz's: a study shows that healthy adults who don’t get enough sleep gained significantly more weight than did their well-rested counterparts.The research features 225 non-obese subjects in a controlled lab setting. Some were on a restricted sleep schedule, in bed only between the hours of 4 a.m. and 8 a.m. Others had from 10 p.m. to 8 a.m. to lounge in bed.
After just five days, those sleeping only four hours a night had gained, on average, more than two pounds, compared to...[full transcript]
Spaeth, A.M., Dinges, D.F. and Goel, N. (2013) ‘Effects of experimental sleep restriction on weight gain, caloric intake, and meal timing in healthy adults’, Sleep, 36(7), pp. 981–990.
DOI: 10.5665/sleep.2792
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