sleepiness

n. /ˈsliː.pi.nəs/ B1

困倦；昏昏欲睡

The state of feeling ready to sleep or drowsy.

仙境例句

The afternoon heat brought such sleepiness that Alice could hardly keep her eyes open.

午后的热气让爱丽丝困得连眼睛都快睁不开了。