sleep的形容词形式是：sleepy；
sleepy：
adj.困乏的;困倦的;瞌睡的;安静的;冷清的;不热闹的
扩展资料
One in seven accidents is caused by sleepy drivers.
每七次交通事故就有一次是驾车者困倦造成的。
Remember you may feel sleepy after taking the pills.
记住，吃了这些药片之后，你可能会犯困。
The heat and the wine made her sleepy.
周围暖洋洋的`，又喝了酒，她感觉昏昏欲睡。
He had begun to feel sleepy.
他已觉得困了。
She was still tired and sleepy when he woke her.
他叫醒她的时候，她仍然又累又困。
