Parents miss about 6 weeks of sleep in the first year of their child’s life. But now there’s mamaRoo sleep. After the success of the mamaRoo, which mimics the movement of parents who want to comfort their baby, there is now also a crib for your baby. mamaRoo sleep is a crib with 5 built-in movements that help your baby fall asleep the same way you would in your arms. There are also built-in nature sounds including a soothing sound.