5．
用方框中所给词的适当形式填空，使短文完整、通顺(每空一词)
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well, sleep, rest, minute, increase
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Many students aren't getting enough sleep at
night, which means they end up feeling during class. Taking a
nap (小睡) during the day may be a solution.
According
to Forbes, a nap can clear your mind, your energy and help you
study even . But how long should a nap last? "The proper time
should be between 10 and 30 ," Peter Venn, a sleep expert
said.
Sleeping for a short time, such as five
minutes or so, is not helpful. That's just not enough time .But
if you sleep for a long time, you may wake up feeling uncomfortable.
