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1 .This is Scientific American's 60-Second Health. I'm Katherine Harmon. Got a minute?
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2 .The recommended seven to eight hours of sleep can be hard to get.
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3 .But here's a good excuse to make sure you catch those extra zzz's:
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4 .a study shows that healthy adults who don't get enough sleep gained significantly more weight than did their well-rested counterparts.
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5 .The research features 225 non-obese subjects in a controlled lab setting.
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6 .Some were on a restricted sleep schedule, in bed only between the hours of 4 a.m.and 8 a.m.
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7 .Others had from 10 p.m.to 8 a.m.to lounge in bed.
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8 .After just five days, those sleeping only four hours a night had gained, on average, more than two pounds, compared to less than a quarter-pound gained by the rested group.
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9 .Men gained more than women did.
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10 .The findings are in the journal Sleep.
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11 .Why the weighty consequences?
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12 .Sleep disruption has been linked to high levels of hormones that make people feel hungrier.
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13 .And the new study found that people filled the extra time they were awake by filling their stomachs.
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14 .So one step to slimming down might be to rest up.
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15 .Thanks for the minute, for Scientific American's 60-Second Health. I'm Katherine Harmon.
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