“Fall asleep, restoring 10 health on the first round, 20 health on the second, then 40 health on the third.While Hibernating you cannot swap pets.”
Battle Pets with the Hibernate ability: Panda Cub Poley Baby Blizzard Bear Dun Morogh Cub Hyjal Bear Cub Infested Bear Cub Darkshore Cub Red Panda Sunfur Panda Harmonious Porcupette Ashmaw Cub Lil' Ben'fon Scabby Thunder Lizard Runt