opening the mouth widely when feeling sleepy and tired
yawn
people who rise from sleep fairly easily and are most productive and/or active in the mornings
morning person
The end of the sleep. I .... .. at 8 am. Then I go to school.
wake up
a frightening or scary dream
nightmare
She may .... ...... during the movie, she is so tired.
fall asleep
It is used to wake someone up.
Alarm clock.
a person who is generally active or wakeful at night
night owl
inability to sleep, chronic sleeplessness.
insomnia
short sleep during the day
nap
images that we see in our brains while sleeping
dream