Bedtime has arrived, and now it’s time to set the stage. Light-emitting electronics like the TV and computer are off. Phone is on airplane mode. Pajamas are breathable and comfortable. Bed is made.

OK, confession time. I love Teddy Pendergrass. I was on a road trip a few days ago listening to this song... (SOUNDBITE OF HAROLD MELVIN AND THE BLUENOTES SONG, "DON'T LEAVE ME THIS WAY") RASCOE: ...

Pink noise is a mix of high and low frequencies, like the sound of failing rain or gentle ocean waves, making it soft and calming. It also has more power in the lower frequency bands than white noise ...

What's your favorite bedtime jam? Do you doze off to jazz, a babbling brook, a crackling fire or a whirling fan of white noise? Or maybe you're a sound aficionado, and have replaced your white noise ...

What's your favorite bedtime jam? Do you doze off to jazz, a babbling brook, a crackling fire or a whirling fan of white noise? Or maybe you're a sound aficionado, and have replaced your white noise ...