Dictionary / Vocabulary / 眠気覚まし
ねむけざまし
keeping oneself awake; fighting off drowsiness; method for keeping oneself awake
Also written 眠気ざまし、眠け覚まし、眠気覚し、眠け覚し
私は眠気覚ましに紅茶を飲んだ。
I had a cup of tea to keep myself awake.
眠気覚ましにコーヒー飲んで、外の風に当たってくるよ。
To keep myself awake I drink coffee and expose myself to the wind.