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  3. Naptime is not just for kindergarteners. A whole body of research shows that

Naptime is not just for kindergarteners. A whole body of research shows that

游客2023-07-10  16
问题     Naptime is not just for kindergarteners. A whole body of research shows that a midday snooze can increase productivity and alertness in the workplace. Naps can often be the perfect weapons to combat mid-afternoon sluggishness, which tends to hit between 2 and 5 p. m.
    A 2007 Japanese study found that you can alleviate sleepiness by combining a short snooze with coffee. Sound counterintuitive? Here’s how it works: caffeine takes about 20 minutes to a half-hour to kick in.just enough time for you to nap.That way.if you’ve had a coffee-primed nap.the benefits are twofold: you’ve rested and you’re ready to go when you wake. The British Transportation Department even provides drivers with the following recommendation to combat driver fatigue: "Stop.drink two cups of coffee or a highly caffeinated drink.and then take a short nap."
    2 or 3 p. m. is the ideal nap hour—late enough to fit into your natural siesta(午睡)zone but early enough that it will not interfere with your night sleep. Also take your afternoon schedule into consideration when making nap plans. If you can, take your mid-afternoon snooze just prior to a big meeting. Dozing right before the meeting will make sure you’re not drifting off during the meeting.
    A good nap length is somewhere between 20 and 30 minutes. This will give you the restorative benefits of sleep without the lethargy(昏睡)or grogginess(头昏眼花)— what is commonly called "sleep drunkenness".
    Location may be the toughest nap problem. If your company has a health or nurse’s room, that could make a good place for .snoozing. If that’s not an option，you may have to turn your cubicle(小隔间)into a temporary nap room- but that means you’ll probably have to be all right with curling up under your desk. Heading to your parked car is another option but of course you should make sure a window is open and the engine is not running.
    Chances are.if you’re tired enough to take a nap.you will not magically wake up on your own accord. So set an alarm.both to avoid the groggincss of a long nap and to make sure you don’t sleep through anything important. [br] Coffee can be combined with a nap in that
选项 A、caffeine is stimulating
B、caffeine takes effect after about a nap’s time
C、caffeine is counterintuitive
D、caffeine can promote the quality of a nap
答案 B
解析 根据题干关键词coffee，combined with a nap可以定位到文章第二段第三句: Here’s how it works：caffeine takes about 20 minutes to a half-hour to kick in，just enough time for you to nap．据此可知咖啡因需要20分钟到半小时的时间才起作用，而这段时间正好够小睡。故正确答案为B)。
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