White noise machines generate sounds to mask the assorted yapping dogs, clanky radiators, and late-night parties that can leave us anxious, seething, and awake. These machines can also drown out distracting sounds during the day to help you focus. After testing a total of 22 popular devices and apps against an array of annoying noises since 2016, as well as interviewing a range of experts—including sleep researchers and audio engineers—we’ve concluded that the LectroFan EVO is the most effective nuisance-noise blocker for the price.
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