Poor Frankie.

I hope he is back to himself by now. And I hope you've gotten some rest...I know this feeling all too well! >.<
I've noticed of late, since I am still keeping my night owl schedule and Mimzy is getting up with the sun (about 6 or 7 AM...urgh) that he gets very impatient for his pen to be cleaned and tends to have eaten all his hay by then that I packed in there during the night. Then I start to see tinier poos (and less) and he seems uncomfortable more often.
I think his tummy has been getting irritated simply by my not getting his food to him on his schedule.
Does Frankie have regular food times? I think sometimes that has a big deal to do with how they digest.