noun, noun or participle which takes 'suru', intransitive verb
going to bed early; early bedtime
Refers to the act of going to sleep early in the evening. Often used in contrast to staying up late.
今夜は宵寝して、明日の朝早く起きよう。
I'll go to bed early tonight and wake up early tomorrow morning.
noun, noun or participle which takes 'suru', intransitive verb
afternoon nap;
A nap taken in the afternoon or early evening. Less common than 昼寝 (hirune) for a midday nap, and may carry a slightly literary or old-fashioned feel.
暑い日は、宵寝をしてから夕方の散歩に出かける。
On hot days, I take an afternoon nap before going for an evening walk.