i-adjective
sleepy; drowsy
Describes the feeling of wanting to sleep, often due to tiredness, boredom, or warmth. A very common everyday word.
昨夜あまり寝られなかったので、今日はとても眠い。
I couldn't sleep much last night, so I'm very sleepy today.
暖かい部屋で講義を聞いていると
Listening to the lecture in a warm room, I gradually became drowsy.