Ambient electronic music might work. there are 47 of these streams on iTunes. If you aren't using iTunes, there are 150 streams listed under 'Ambient" on Shoutc

Ambient electronic music might work. there are 47 of these streams on iTunes. If you aren't using iTunes, there are 150 streams listed under 'Ambient" on Shoutcast. I like "cryosleep." I find that low-volume news/talk radio, like NPR or BBC makes me sleepier than music.