I didn't get enough sleep last night.

　　我昨晚没睡够。

　　I feel sleepy, I had nightmare last night.

　　好困，昨晚做噩梦了。

　　I couldn't fall asleep.

　　昨晚睡不着。

　　I'm still sleepy.

　　我还困着呢!

　　I stayed up late last night.

　　昨晚我熬夜了。

　　I'm still drowsy.

　　我昏昏欲睡的。

　　I'm still yawning.

　　我还打哈欠呢。

　　I have a hangover.

　　昨天的酒还没醒呢。

　　I'm a night person.

　　我是个夜猫子。(早上起不来的意思)

　　Coffee wakes me up.

　　Coffee gets me going.

　　我是用咖啡来提神的。

I didn't get enough sleep last night. So I'm still drowsy

看了，谢谢老师！

I have always been drowsy when I'm working