寝ね込こむ

godan verb (-mu), intransitive verb

fall fast asleep; sleep deeply

Describes falling into a deep, sound sleep, often unintentionally or when one should be awake.

• 疲つかれていたので、ソファで寝ね込こんでしまった。

  I was so tired that I fell fast asleep on the sofa.

godan verb (-mu), intransitive verb

be laid up; be confined to bed

Used when someone is ill or injured and must stay in bed for a period of time.

• 風邪かぜで一いっ週しゅう間かん寝ね込こんでいた。

  I was laid up with a cold for a week.