adj.無眠的；睡不著的；警覺的
She was worn-out after three sleepless nights. 三夜未眠之后，她已筋疲力盡了。
He was lying on the sleepless bed. 他躺在床上睡不著。
The situation gave her many sleepless nights. 這種情況害她一連好多天睡不好覺。
Her irresponsible behaviour cost her father many sleepless nights. 她那不負責任的行為使她父親許多夜不得安眠。
Because of the cold weather, they are now preparing for a sleepless night. 由于寒冷的天氣
The snake frightened the skinny boy. He had a sleepless night. 那個瘦小的男孩被蛇嚇壞了,整晚上都很警覺。
n.失眠
