bed hair; messy hair from sleeping
Refers to hair that becomes disarranged or sticking up after sleeping.
When I woke up in the morning, my bed hair was so bad it took a while to fix.
habit of moving in one's sleep; sleeping habit
Describes a person's tendency to toss and turn, kick off blankets, or move around while asleep.
He has a bad sleeping habit and often kicks off the futon.
Standard kanji spelling.
Search-only form; not a standard spelling.
Mixed kanji-kana spelling, common in casual writing.
Compound of 寝 (ne, 'sleep') and 癖 (kuse, 'habit'). The reading ねぐせ is a rendaku form.