He found some ancient linens that had an approximate fuckerton of moths inside them when he disturbed the bundle. He used it to sleep in, taking care to hide behind the detritus of the attic just in case someone investigated the house during the day while he slept. At least this way when the old fart who owned the shed he was technically ‘renting’ while his companions went off and sherlocked Thunder’s location for him entered it to nosey about, all he’d find is locked crates sans one conspicuous human.