寝付く|ねつくnetsuku[2]nakadaka (mid-high)
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- godan verb, intransitive verbto go to bed; to go to sleep; to fall asleep私は10時ごろ寝ついた。↗I went to sleep about 10 o'clock.
- godan verb, intransitive verbto be laid up (with a cold); to be ill in bed
Conjugation
| Dictionary form | 寝付く(ねつく) |
|---|---|
| Polite (masu) | 寝付きます(ねつきます) |
| Negative (nai) | 寝付かない(ねつかない) |
| polite (masen) | 寝付きません(ねつきません) |
| classical zu / nu | 寝付かず・寝付かぬ(ねつかず・ねつかぬ) |
| Past (ta) | 寝付いた(ねついた) |
| polite (mashita) | 寝付きました(ねつきました) |
| Past negative (nakatta) | 寝付かなかった(ねつかなかった) |
| polite (masen deshita) | 寝付きませんでした(ねつきませんでした) |
| Te form | 寝付いて(ねついて) |
| Potential | 寝付ける(ねつける) |
| Passive | 寝付かれる(ねつかれる) |
| Causative | 寝付かせる(ねつかせる) |
| Causative passive | 寝付かせられる・寝付かされる(ねつかせられる・ねつかされる) |
| Conditional (ba) | 寝付けば(ねつけば) |
| tara | 寝付いたら(ねついたら) |
| Volitional | 寝付こう(ねつこう) |
| polite (mashou) | 寝付きましょう(ねつきましょう) |
| Imperative | 寝付け(ねつけ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym寝入るねいるNeutralFalling asleep or sleeping soundly; stresses drifting into sound sleep, while 「寝付く」 stresses falling asleep smoothly after lying down.
- Related眠り込むねむりこむNeutralDrifting off into a deep sleep without noticing; stresses how deep the sleep is.
- Antonym起きるおきるNeutralAntonym: to get up or wake up; the opposite of 「寝付く」, which is about falling asleep.
- Antonym目覚めるめざめるNeutralAntonym: to wake up, and by extension to awaken to or become aware of something; the opposite of 「寝付く」.
Use 「寝付く」 for falling asleep after lying down or being bedridden with illness, as in 「なかなか寝付けない」「ようやく寝付いた」. For sound sleep say 「寝入る」, for deep sleep 「眠り込む」; the antonyms are 「目覚める」 and 「起きる」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


