长途驾驶后，他开始感到昏昏欲睡。

After the long drive, he started to feel ___drowsy.

温暖的阳光和轻柔的音乐让他感到昏昏欲睡。

The warm sunshine and soft music made him feel ___drowsy.

午饭后我感到昏昏欲睡，几乎睁不开眼睛。

I felt ___drowsy after lunch and could barely keep my eyes open.