寝苦しい
ねぐるしい
i-adjective
hard to sleep; restless (due to heat)
Conjugation
| Affirmative | Negative | |
|---|---|---|
| Present | 寝苦しい | 寝苦しくない |
| Past | 寝苦しかった | 寝苦しくなかった |
| て form | 寝苦しくて | 寝苦しくなくて |
| Adverbial | 寝苦しく | — |
| Conditional ば | 寝苦しければ | 寝苦しくなければ |
| Conditional たら | 寝苦しかったら | 寝苦しくなかったら |
1.
hard to sleep; unable to sleep comfortably; restless
Describes a state where one cannot sleep well, typically because of heat, humidity, or uncomfortable conditions. Most often associated with hot summer nights.
Almost exclusively used to describe difficulty sleeping due to heat or humidity, especially during Japanese summers. The most common collocation is 寝苦しい夜 (a restless/sleepless night), frequently heard in weather forecasts: 今夜も寝苦しい夜になるでしょう (Tonight will be another uncomfortable night for sleeping). Part of the ~苦しい pattern meaning 'hard to do ~,' like 見苦しい (unsightly), 聞き苦しい (unpleasant to hear).