CD & DVD : White Noise 5.1.1 (Mac)

White Noise provides ambient sounds of the environment to help you relax or sleep. Are you in a hotel and miss the familiar sound of your fan or air conditioner Flying on a plane and just want to nap Includes high quality looping noises such as ocean waves crashing, hard rain pouring, and flowing stream water.
Relax. Sleep better. Feel better.

Link for more information: http://www.tmsoft.com/mac-white-noise.html