Fall asleep
Fall asleep verb - Change from a waking to a sleeping state.
Pass and fall asleep are semantically related. In some cases you can use "Pass" instead a verb phrase "Fall asleep".
Pass
Pass verb - To shift possession of (something) from one person to another.
Fall asleep and pass are semantically related. Sometimes you can use "Fall asleep" instead a verb "Pass".
Both terms in one sentence
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Self-Imposed Challenge: Try to pass out from exhaustion (the Avatar, that is... it doesn't count if you fall asleep at your computer, which will probably happen first).
Source: Video Game / Ultima Underworld -
In real life the position of the eyelids means nothing; people can pass out or fall asleep with their eyes open.
Source: Dies Wide Open - This restricted blood flow to the head, and if a man happened to fall asleep (or pass out) with it on, they could strangle or even stab them in the throat.
Source: Fashion Hurts
Cite this Source
Pass and Fall asleep. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/fall_asleep/pass
Fall asleep & Pass. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/fall_asleep/pass>.
Pass or Fall asleep. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/fall_asleep/pass.
Google Ngram Viewer shows how "fall asleep" and "pass" have occurred on timeline