Sleep Sheep Sleep Sheep is the perfect night-time companion to help soothe children to sleep in a safe, calming and effortless way. A sound box tucked safely inside Sleep Sheep lulls one to sleep with pleasant "white noise" - - soft sounds from nature and the reassuring sound of a mother's heartbeat. Sleep Sheep's soothing sounds are an audio pacifier that can calm even the fussiest babies to sleep. When babies sleep better, parents sleep better. Sleep Sheep Features: Four Soothing Sounds: Mother's Heartbeat, Spring Showers, Ocean Waves and Whale Songs Simple push-button sound selection with volume and on/off controls Two sleep timer options: 23 and 45 minutes Velco tab to secure Sleep Sheep to the outside of a crib The Sleep Sheep story & numbered adoption certificate Two AA batteries included Ideal for newborns and up