Thanks to everyone for the vibes. Greg was very touched that so many of our Hainsies were sending good thoughts to his parents.
They installed a pacemaker for his mom today, and since Greg took his dad home last night and he couldn't leave, he was forced to stay and get some sleep. He is with his dad tonight as well, so I hope he will continue to get good sleep. I was at the ICU for over 12 hours so I'm glad to be home, snuggled in with kitties.