Meaning of the word "fell asleep" in English

What does "fell asleep" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

fell asleep

US /fɛl əˈsliːp/
UK /fɛl əˈsliːp/

Phrasal Verb

to begin to sleep

Example:
I was so tired that I fell asleep on the couch.
The baby fell asleep in her mother's arms.