Bank sleep to fight tiredness 儲存睡眠來對抗疲憊


As anyone who has unwittingly drifted off at their desk will know-tiredness can really creep up on you when you least need it. But a new study is offering some good news: it claims to prove that we can bank sleep-and store it up in advance of a tiring event.


Researchers in the US invited a group of volunteers to adjust their sleep patterns so the effect could be monitored.


For a week, one half of the group were allowed extra sleep, while the others were told to keep their sleeping patterns the same. Then, the following week, they were all sleep-deprived.


"After this week of either extended or habitual sleep per night, all the volunteers came to the lab and they were given three hours of sleep, per night, for a week," explained Tracy Rupp from the Walter Reed Army Institute of Research.


They were then given tasks of varying complication, and tests showed that those who had banked the sleep were "more resilient during the sleep restriction".


"They showed less performance deterioration with regards to reaction time and alertness than the group that had been given the habitual prior sleep," said Ms Rupp.




drift off:片語,漸漸睡著。例句:I couldn’t help drifting off in the middle of that lecture-it was so boring!(那堂課實在太無聊,我忍不住就睡著了!)

creep:動詞,緩慢前進,匍匐前進。例句:Over the last year, the rate of inflation has crept up to almost 7%.(過去一年,通膨率緩緩上升到近7%。)

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