a gadget that can be used to wake you up in the morning
an alarm clock
I often stay up late and [idiom] because I have so much to do
burn the midnight oil
A lot of students use __ to help keep them awake because it is a stimulant
caffeine
On a hot day, I like to have [idiom] to recharge my energy
a cat nap
someone who can sleep through loud noises
a deep sleeper / a heavy sleeper
a verb to describe when you fall asleep unintentionally
to doze off
a verb to describe the moment that you fall asleep
to drift off
Some people __ in their sleep and wake up the next morning to find that their pillow is wet
drool
a morning person, someone who loves waking up early and doing stuff in the morning
an early bird
(idiom) a morning person, someone who loves waking up early and doing stuff in the morning
an early bird
(idiom) an evening person, someone who loves staying up late at night and doing stuff
a night owl
People feel __ at the end of the day so sleep is extremely important as it allows their body to recover and prepare itself for the next day.
fatigue / exhaustion
It is important to get __. The recommended amount is 7-8 hours.
a good night's sleep
(idiom) to go to bed
to hit the sack
People tend to become __ when they aren't getting enough sleep. They won't be willing to wait.
impatient
People tend to become __ when they aren't getting enough sleep. They'll be quick to anger.
irritable
