n.想睡，困倦；昏昏欲睡
Dull with sleepiness; sluggish. 因困倦而遲鈍; 懶怠的
Produced or characterized by sleepiness. 由困倦引起的，或以困倦為特征的
Too much food induces sleepiness. 吃得太飽會(huì)引起睡意。
