Besides the WhiteNoise app itself by tmsoft, http://www.tmsoft.com/iphone-whitenoise.html, I am looking for a soothing sleeping aid app for Ipod Touch that has more sounds with a playlist. I want the playlist to have a similar timing feature, where I can play different sounds for a certain time throughout the night. Does anyone know names of any apps that have this feature besides WhiteNoise by tmsoft?