反义词是awake，近义词是asleep，例如：

1.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。

2.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。

3.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。