The Munchkin Shh... Portable Sound Machine was made to give parents a break and designed with science in mind. Shockingly, babies dont need silence to sleep! A mothers womb is actually a loud place, and is comforting to babies. When dealing with a cranky or colicky baby, loud, constant noise can quickly help calm them down, especially when the noise is louder than their own crying. The Shhh... was made to give parents a break and designed with science in It features three sounds specific sounds to first calm down an upset baby (shushing noise), lull them into a calm state (heartbeat noise), and eventually keep them asleep (white noise). This portable, battery powered gadget, is a life-saver when baby is away from home, but needs to get some rest. It also features a timer, and nightlight which can even pulse in sync with the noise. Hopefully this soother saves a few parents from running laundry or riding in the middle of the night to keep their !