眠ねむ気け覚ざまし

noun

keeping oneself awake; fighting off drowsiness; method for staying awake

Refers to the act of staying awake or a specific method to ward off sleepiness, such as drinking coffee, splashing water on one's face, or taking a walk.

• 眠ねむ気け覚ざましにコーヒーを飲のんだ。