寝ね違ちがえる

ichidan verb, intransitive verb

get a crick in one's neck (while sleeping); sleep wrong

Refers specifically to waking up with a stiff or painful neck due to an awkward sleeping position. Often used in the past tense (寝違えた) to describe the result.

• 今朝けさ起おきたら首くびを寝ね違ちがえていて、右みぎを向むけない。

  I woke up this morning with a crick in my neck and can't turn to the right.

• 寝ね違ちがえた首