Shirabe

居眠りいねむり

Common Noun Irregular Intransitive
English jmdict
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb nodding off (while sitting);dozing
授業中に居眠りすることは許しません。
I do not allow sleeping in class.
Other forms 居睡り 【いねむり】 (rarely used kanji form)