also: しん · い
noun
A noun for sleep, especially in set collocations such as 寝が浅い. The related verb is 寝る, and the more general/formal noun is 睡眠.
最近、寝が浅くて夜中に何度も目が覚める。
Lately my sleep has been light, and I wake up several times during the night.
This reading is outdated or obsolete kana usage; not a normal modern reading for this noun.
A broader and more formal noun for sleep, common in medical, scientific, and explanatory contexts.
Also means sleep or slumber, often with a descriptive or literary feel; 寝 is shorter and common in fixed everyday collocations.
The verb meaning to sleep or go to bed; 寝 is the noun form used in limited collocations.
Native Japanese noun associated with the verb 寝る. The kanji 寝 is conventionally used for sleeping and lying down; the exact historical development of the noun form is not detailed.