Go to sleep; also, cease paying attention. For example, As soon as the lights were dimmed he fell asleep, or His lectures are so dull that I fall asleep. The literal usage, which uses the verb fall in the sense of “succumb,” dates from about 1300; the figurative is several centuries newer. Also see asleep at the switch.
Words nearby fall asleep
How to use fall asleep in a sentence
Cassandra, whose hair has already begun to fall out from her court-mandated chemotherapy, could face a similar outcome.
According to the USDA, student participation began to fall, with 1.4 million students opting out of the lunch program entirely.
And that means they also fall under the umbrella of programs most likely to get the axe when state and federal budgets are tight.
I fall back into a dream and then suddenly there is a tapping on the window just above my bed.The Story Behind Lee Marvin’s Liberty Valance Smile|Robert Ward|January 3, 2015|DAILY BEAST
Some contemporary police have military backgrounds to fall back on.A Veteran’s View: NYC Cold War Between Cops and City Hall|Matt Gallagher|December 29, 2014|DAILY BEAST
Do not the widow's tears run down the cheek, and her cry against him that causeth them to fall?The Bible, Douay-Rheims Version|Various
The left heel followed like lightning, and the right paw also slipped, letting the bear again fall heavily on the ice below.The Giant of the North|R.M. Ballantyne
The Café tender was asleep in his chair; the porter had gone off; the sentinel alone kept awake on his post.Glances at Europe|Horace Greeley
As the window dropped, Ripperda saw the wounded postilion fall on the neck of his horse.The Pastor's Fire-side Vol. 3 of 4|Jane Porter
It mounted straight as a plume for a little way, until it met the cool air of evening which was beginning to fall.The Bondboy|George W. (George Washington) Ogden