Looking on the internet deeply has found these results:

I feel sleepy is the most popular phrase on the web.

I am sleepy 1157,000 results on the web	I feel sleepy 1208,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I wonder why I'm so sleepy. Why am I so sleepy all of a sudden? I am very angry and sleepy. Let's just all go to sleep, I am really sleepy now. I got sleepy, so I pulled over. I think someone wants Sleepy Weasel to fail. I get sleepy and then I pass out wherever I am. I was sleepy myself on Friday morning.	Patrick came over to talk but he must have slipped something into the wine because I started to feel sleepy. I just suddenly feel very sleepy. I feel sleepy enough without it. I don't want to. I feel sleepy. Driving and using machines DULOXETINE BOEHRINGER INGELHEIM may make you feel sleepy of dizzy. This will make you less likely to feel sleepy at other times. I suddenly... feel... sleepy... Driving and using machines ARICLAIM may make you feel sleepy of dizzy.

I am sleepy

1157,000 results on the web

I feel sleepy

1208,000 results on the web

More popular!

Patrick came over to talk but he must have slipped something into the wine because I started to feel sleepy.
I just suddenly feel very sleepy.
I feel sleepy enough without it.
I don't want to. I feel sleepy.
Driving and using machines DULOXETINE BOEHRINGER INGELHEIM may make you feel sleepy of dizzy.
This will make you less likely to feel sleepy at other times.
I suddenly... feel... sleepy...
Driving and using machines ARICLAIM may make you feel sleepy of dizzy.