午饭后我总是感到困倦。

I always feel sleepy after lunch.

温暖的天气让我感到困倦。

The warm weather makes me sleepy.

长时间开车会让人感到困倦。

Driving for a long time can make you feel sleepy.

午饭后下午我经常感到困倦。

Sleepiness often hits me in the afternoon after lunch.

我每天午饭后都会感到困倦。

I feel sleepy after lunch every day.

在床上读书总是让我感到困倦。

Reading a book in bed always makes me sleepy.

讲座太无聊了，大家都感到困倦。

The lecture was so boring that everyone felt sleepy.

当你感到困倦时开车是很危险的。

It's dangerous to drive when you're experiencing sleepiness.

他通常在中间的一天左右感到困倦。

He usually feels sleepy around mid-day.

当你感到困倦时，你会不自觉地眨眼。

When you feel sleepy, you will blink unconsciously.