寝ね違ちがえ

noun

kink in the neck; sprained neck

Refers to a stiff or painful neck caused by sleeping in an awkward position.

See also: 寝違い

• 朝あさ起おきたら寝ね違ちがえで首くびが痛いたかった。

  When I woke up this morning, my neck hurt from sleeping wrong.

• 寝ね違ちがえがひどくて、首くびを回まわせない。

  My neck is so stiff from sleeping wrong that I can't turn it.