プログレッシブ和英中辞典(第4版)の解説
ねむけ【眠気】
drowsiness; sleepiness
やがて眠気に襲われた
I was gradually overcome with drowsiness.
ひどく眠気を催した
I became very sleepy.
眠気を誘う春の日
a drowsy [《文》 somnolent] spring day
目をこすって眠気を覚ました
He wiped [rubbed] the sleep out of his eyes.
眠気覚まし
眠気覚ましに紅茶を飲んだ
I had a cup of tea to keep 「myself awake [my eyes open].