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White-noise machines are not a modern concept. But a white-noise machine that creates a sound blanket customized to your room's acoustics? That's new.And that's what the Nightingale does: It's a smart sleep system that masks all sorts of sounds, like car horns outside or snoring in the next room.
The Nightingale works by plugging into the outlets in a room and emitting noise based on the acoustic makeup of the space. If your bedroom is mainly glass and concrete, for example, Nightingale will emit sounds that won't echo off those reflective surfaces.
I've now been sleeping with the Nightingale turned on for more the last week. Here's what it's like.