fall asleep

v.

入睡；睡着；

sandman and boy
The Mathematical Association of America New Jersey Section
Fall Asleep
Aqueous extract of valerian reduces latency to fall asleep in man
"High sleepability without sleepiness". The ability to fall asleep rapidly without other signs of sleepiness.
Performance, ability to stay awake, and tendency to fall asleep during the night after a diurnal sleep with temazepam or placebo
Fatal distraction: a case series of fatal fall-asleep road accidents and their medicolegal outcomes
How we fall asleep: regional and temporal differences in electroencephalographic synchronization at sleep onset
Can normal subjects be motivated to fall asleep faster?
Daytime parahypnagogia: a state of consciousness that occurs when we almost fall asleep.