also: ねちがい
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
When I woke up this morning, my neck hurt from sleeping wrong.
My neck is so stiff from sleeping wrong that I can't turn it.
Standard kanji spelling for this noun.
Alternate form given in cross-references; same meaning but less common.
The noun is derived from 寝違える, “to sleep in an awkward position and develop pain,” itself formed from 寝る and 違える.