Looking on the internet deeply has found these results:

I guess you fell asleep is the most popular phrase on the web.

I guess you fall asleep 10 results on the web	I guess you fell asleep 146,400 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	I got your text, but I guess you fell asleep. I don't know, I guess I fell asleep. I guess I fell asleep while I was meditating. [Mal] My guess is when you fell asleep, Clyde, the kid was grabbing his papers for the next day and found the briefcase full of cash. I got your text, but I guess you fell asleep. I fell asleep, I guess. I could hear them vandalizing the place, but it was taking kind of a long time so I guess I fell back asleep. I had to put things in order and I guess I fell asleep.

I guess you fall asleep

10 results on the web

I guess you fell asleep

146,400 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

I got your text, but I guess you fell asleep.
I don't know, I guess I fell asleep.
I guess I fell asleep while I was meditating.
[Mal] My guess is when you fell asleep, Clyde, the kid was grabbing his papers for the next day and found the briefcase full of cash.
I got your text, but I guess you fell asleep.
I fell asleep, I guess.
I could hear them vandalizing the place, but it was taking kind of a long time so I guess I fell back asleep.
I had to put things in order and I guess I fell asleep.