noun, noun or participle which takes 'suru', intransitive verb
going to bed; retiring for the night
Formal or written term for going to bed or retiring for the night. In casual speech, 寝る is more common.
就寝前にスマートフォンを見ないようにしている。
I try not to look at my smartphone before going to bed.
彼は毎晩十時に就
He goes to bed at ten every night.