Some children _____ if they watch scary films before bedtime.
nightmares
Some people who are asleep make a loud noise when they breathe, i.e. they ____.
snore
If you drink coffee in the evening, it may _____ you _____.
keep you awake
In the middle of the night, most people are _______.
fast asleep
When people are tired they often open their mouth and ____.
yawn
Some people prefer to sleep under ____ when it's hot.
sheets
If you don't hear your alarm, you might ______.
oversleep
Someone who doesn't sleep very deeply is a _____.
light sleeper
According to one study, 4.7% of Americans ______ ______ while driving.
fall asleep
Most people start feeling ____ at around 11 p.m.
sleepy
In bed, many people sleep under a ____ filled with feathers or synthetic material.
duvet
A person who sleeps well 'sleeps like ____'.
a log
People sometimes have to take ____ _____ to help them go to sleep.
sleeping pills
When people need to get up early, they often _____ ____ _____ (clock).
set the alarm
As many as 15% of people ______ during the night, getting out of bed and even getting dressed or eating.
sleepwalk
When they get into bed, they put their head on the _____.
pillow
In hot countries, it's common to have a short ____ in the afternoon.
nap
Some people can't sleep because they suffer from ___.
insomnia