眠ねむり込こむ

ね

む

り

こ

む

眠り込む · godan verb (-mu)

Form	Positive	Negative
Dictionary	眠ねむり込こむ	眠ねむり込こまない
Polite	眠ねむり込こみます	眠ねむり込こみません
Past polite	眠ねむり込こみました	眠ねむり込こみませんでした
Past	眠ねむり込こんだ	眠ねむり込こまなかった
Te-form	眠ねむり込こんで	眠ねむり込こまないで
Desire	眠ねむり込こみたい	眠ねむり込こみたくない
Potential	眠ねむり込こめる	眠ねむり込こめない
Passive	眠ねむり込こまれる	眠ねむり込こまれない
Causative	眠ねむり込こませる	眠ねむり込こませない
Causative passive	眠ねむり込こませられるalso 眠ねむり込こまされる	眠ねむり込こませられないalso 眠ねむり込こまされない
Volitional	眠ねむり込こもう
Polite volitional	眠ねむり込こみましょう
Imperative	眠ねむり込こめ	眠ねむり込こむな
Conditional	眠ねむり込こめば	眠ねむり込こまなければ
Tara conditional	眠ねむり込こんだら	眠ねむり込こまなかったら

Meanings

godan verb (-mu), intransitive verb

fall asleep; sleep deeply

Describes entering a deep sleep, often unintentionally or while doing something else. The 込む component adds a sense of going fully into the state.

〈場ば所しょ〉で眠ねむり込こむto fall into a deep sleep at a place
電でん車しゃの中なかで眠ねむり込こんでしまった。
I ended up falling deeply asleep on the train.
疲つかれて眠ねむり込こむto fall into a deep sleep from exhaustion
彼かれは疲つかれて眠ねむり込こんでしまった。
He was so tired that he fell into a deep sleep.
〈事こと〉の途と中ちゅうで眠ねむり込こむto doze off in the middle of doing something
勉べん強きょうの途と中ちゅうで眠ねむり込こんでしまった。
I fell asleep in the middle of studying.
ぐっすり眠ねむり込こむto sleep deeply and soundly
赤あかちゃんはぐっすり眠ねむり込こんでいる。
The baby is sleeping deeply and soundly.

眠ねむるN4
眠る is the plain, general verb for 'to sleep', while 眠り込む specifically stresses falling into a deep, often sudden or unintended sleep.
寝ね入いる
寝入る focuses on the moment of drifting off to sleep, whereas 眠り込む emphasizes sinking fully into a deep sleep, sometimes unexpectedly.
熟じゅく睡すい
熟睡する describes sleeping soundly through the night, while 眠り込む describes the act of falling into that deep sleep, often abruptly.

目め覚ざめるN1
目覚める means 'to wake up', the direct opposite of 眠り込む's 'to fall into a deep sleep'.

寝ね込こむ
寝込む usually means to be laid up in bed sick for days, while 眠り込む simply means to fall into a deep sleep, even briefly.

Compound of 眠り (nemuri, 'sleep', the continuative form of 眠る) + 込む (komu, 'to go into'), indicating entering a state of deep sleep.