quedarse dormido
Meanings
Verb
1. to oversleep (to sleep for longer than intended; fail to wake on time)
2. to fall asleep, to doze off, to drop off, to nod off, to conk out (to pass from a state of wakefulness into sleep)
Examples2
Tom no pudo evitar quedarse dormido.
Tom couldn't help falling asleep.
Tom se disculpó por quedarse dormido en clase.
Tom apologized for falling asleep in class.