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