I used to do this, and then I got the flu. I was unable to function for 2-3 days (as in, I would fall asleep if I attempted to read a book) and was pretty roug

I used to do this, and then I got the flu. I was unable to function for 2-3 days (as in, I would fall asleep if I attempted to read a book) and was pretty rough for a week after. Flu != cold.