Ever since this afternoon, I have been feeling just tired and lethargic. I came home and slept for a few hours; much longer than the nap that I usually take. And now that I am up, I think that I am ready to go back to sleep. I have no ideal if this is from the Prozac, my cold, the vaccination that I got, or something completely else. Well, it’s probably too early to start worrying about it.