On my ship, we did have young squid in Gunnersmate berthing (where I got assigned at one point, the only Electronic Tech in there), who made up his bunk each morning, and slid a stuffed Gizmo under the top cover, head on pillow. Don't know if he slept with it though. We ETs and EWs also had a rubber chicken on a neck chain that we'd hang on a broken unit, do a chant and dance while repairing it. It seemed to work. Yeah, we were weird.