noun
falling asleep; going to sleep
Refers to the act or ease of falling asleep. Often used in phrases like 寝付きがいい (falls asleep easily) or 寝付きが悪い (has trouble falling asleep).
最近、寝付きが悪くて困っている。
Lately I've been having trouble falling asleep.
この枕を使うと寝付きが良くなる。
Using this pillow helps me fall asleep more easily.
Noun form of the verb 寝付く (ねつく, 'to fall asleep'), composed of 寝 (ね, 'sleep') and 付く (つく, 'to attach; to settle into').