Whether you think you need daytime rest or not, picking up a nap habit—or continuing to make time for one—is a smart, healthy move. Consider the evidence: The Mayo Clinic says naps promote relaxation, reduced fatigue, better mood and alertness, and a sharper-working mind. A 2008 British study found that compared to getting more nighttime sleep or guzzling caffeine, a mid-day nap was the best way to cope with the mid-afternoon slump.

　　According to the Harvard Health Letter, several studies have shown that people remember new information better when they take a nap shortly after learning it. And, most incredibly, a 2007 study of nearly 24,000 Greek adults in the Archives of Internal Medicine found that people who napped regularly had a 37 percent reduced risk of dying from heart disease compared to people who didn’t nap.

　　Of course, napping isn’t right for everyone. If you’re prone to insomnia, naps that are too long or taken too late in the day can interfere with your ability to fall or stay asleep at night. Also, people with certain sleep disorders, like sleep apnea or narcolepsy, may feel more tired if they take a nap than if they don’t.

　　But for most, naps can make you feel sharper and happier. Naps provide different benefits depending on how long they are, says MentalFloss.com. A 20-minute nap will boost alertness and concentration; a 90-minute snooze can enhance creativity.

　　According to Prevention.com, you experience a natural dip in body temperature between 1 p.m. and 3 p.m. A power nap at this time can boost alertness for several hours and, for most people, shouldn’t affect being able to fall asleep at night.

　　Pick a dark, cozy place that’s not too warm or too chilly. Prevention.com recommends napping on the couch instead of in bed, so you’re less tempted to snooze for too long.

　　Surprisingly, the best place to crash may be a hammock if you have one. A Swiss study published last year found that people fell asleep faster and had deeper sleep when they napped in a hammock than in a bed. That same rocking motion that lulls babies to sleep works wonders for grown-ups too.

　　點評：本篇完形填空摘自Read’s Digest， 再次體現了四六級考試頻繁使用外刊素材的特點。

　　本篇文章主要講述了睡午覺的好處。不管你是否覺得有睡午覺的必要，養成這樣的習慣可以讓你有效對抗下午的困頓。但是，睡午覺也未必適合每個人。如果你本身已經有失眠的問題，睡午覺會讓你晚上更難入睡。

　　除了通過上下文理解才能得出答案的題目之外，仍然考察了一些語法點。比如第69題，A 2008 British study found that compared to getting more nighttime sleep, a mid-day nap was the best way to cope __69___ the mid-afternoon sleepiness. 這里明顯考察的就是詞組cope with.表示處理、應對。

　　再比如第73題，And most incredibly, a 2007 study of nearly 24,000 Greek adults in the Archives of Internal Medicine found that people who napped regularly had a 37% reduced risk of dying __73__ heart disease ……這里也非常明顯的考察了詞組die from

　　同時也考察了對動詞詞義的辨析。例如第77題，A 20-minute nap will boost alertness and concentration; a 90-minute snooze will __77___creativity.

　　選項包括了enlarge, engage, enhance 和enlighten. 根據前半句話的含義可知，20分鐘午睡可以提高專注度，那么90分鐘的午睡就更應該對創造力有益了。通過對4個選項的分析，只有enhance能夠表達這個意思。此處除了要搞清楚4個選項本身的含義外，還要注意運用上下文來進行最終判斷。

　　總體來說，整篇文章難度并不大，也沒有出現過于生僻的表述方式。只要能夠清楚辨析選項，熟悉搭配，并且充分理解上下文，就能夠順利完成本篇完形填空。

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