Learn how to say Fall Asleep correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word asleep:
adjective & adverb
in or into a state of sleep:
she had been asleep for over three hours
he soon fell asleep
not attentive or alert; inactive:
the competition was not asleep
(of a limb) having no feeling; numb:
his legs were asleep
literary used euphemistically to indicate that someone is dead.
asleep at the wheel (or North American switch)
informal not attentive or alert:
our industry is asleep at the switch