Whish works all night long to drown out the random noises that would have woken you or your baby. I love that with this machine i can set the timer to play 6 8 hrs or have it on continuous. Marpac Whish Sound Machine Give sleep a chance with yogasleep s tools for sleep. Marpac whish white noise machine . Dohm classic natural sound machine. Dohm natural sound machine. Beloved by generations since 1962 marpac is the trusted leader in white noise machines and created the famous marpac sound the soothing ambient sounds of rushing air. With a convenient volume control option this marpac whish sleep sound machine offers the right setting to suit your personal preferences. My 3 year old lately has been waking up early in the am 3 4 5 because of the train. That sound that s helped millions experience better sleep for generations is now available in this light and portable design along with 15 additional sound options. A brand new white noise and sound machine from marpac ...