It could be that. Are they in a loud place right now? It might help to cover three sides of the tank with paper to make them feel more secure.
Do you hand feed or bowl feed?
They might be impacted or sick but most likely they're stressed. How old are they? Adults don't need to eat but about twice a week. Younger ones need to be fed more often.
Also, maybe try raising the nighttime temperature by 5 degrees or so. 65's a little low.