I remember seeing a story on TV of this girl who made protein shakes from plants she grew in her backyard. She didn't know that her Gardener sprayed Rat-Poison all over the yard to keep away pests. She was getting sick, and thought the protein shakes would help her recover, so she drank more. More and more and more, until the blood vessels in her brain exploded and she died.
I know, humans are different from Bearded Dragons, but I'm sure you get my gist.
There is 2 options, buy crickets known as Silent Crickets, I'm sure you're smart enough to figure out what those do.
Or, put them in a different room and close the door. Works for me, lol. They're in the room right next to me, and I sleep fine. Though I do have an amazing orthopedic waterbase pillow...