After all my devices are put away and lights turned off, I crawl into bed each night and—more often than not—cue my sleep sounds. As of late, music in particular has become as integral to my wind-down ...

Add Yahoo as a preferred source to see more of our stories on Google. Cole Kan/CNET If you're a light sleeper who's sensitive to sound, then you know how difficult it can be to catch some Zs.