They also have an all terrain tread pattern that lets you roll over sticks and stones without disturbing your sleeping baby. (earlymomentsmatter.org)
Some parents mentioned that it's noisy when the motor works while some others say it doesn't disturb the sleeping baby and other family members at all. (followmum.com)
After many years of disturbed sleep, I'm finally getting a full night's sleep. (alisonhealth.com)