Every night, I—like millions of others—put on a noise machine to help me sleep. Mine offers several types of noise: white, pink, green, and brown. I’ve noticed something strange, though. After about 30 minutes of the noise pumping into my head, I start to hear things. Sometimes it’s music, like a full orchestral score. Other times it’s people having a conversation just out of the range where I’d hear actual words. Occasionally, it sounds like my husband playing a video game.
So I do what most people would do when a random sound is keeping them up at night. I try to find it. I turn off the white noise
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