noun, takes する, intransitive verb

  1. nodding off (while sitting), dozing.

Variations

Pronunciation Kanji Kana Is Common
 
居眠り いねむり
 
居睡り いねむり

Contained Kanji Breakdown

reside, to be, exist
い.る キョ お.る (5th, N3)
corpse, remains, flag radical (no. 44)
シ かたしろ (Kentei 1)
old
コ ふる.い ふゆ (2nd, N4)
ten
ジュウ ジッ ジュッ (1st, N5)
mouth
くち コウ ク (1st, N4)
sleep, die, sleepy
ねむ.る ミン ね (7th, N3)
eye, class, look
め モク ボク (1st, N4)
people, nation, subjects
ミン たみ ひと (4th, N3)
family name, surname, clan
シ うじ (4th, N1)