If you're looking to try it out for yourself, you can turn to countless brown noise videos on Youtube, along with different sound apps. That said, the lack of research doesn’t make anecdotal evidence null: By getting rid of higher pitch sounds, brown noise can be very calming. Limbekar says there are no research studies on the effects of brown noise. While there is research regarding the benefits pink noise has on sleep, Dr. Brown noise differs by offering an extra-deep sound that, he explains, sounds really soothing to some (though your favorite sleep noise out of the three all depends on preference). Then pink noise contains more energy at lower frequencies, says Limbekar, that ebb and flow to result in a calming sound similar to the rustling of leaves. It contains more static, which is similar to the background noise fans make, adds Winter. “The distinct names that are derived for noises like the white, the pink, and the brown are all referring to how the energy of the sound is distributed over different frequencies,” says Limbekar, who explains that the intense frequencies of brown noise manifest as a deep, consistent hum.Īs for the other "colors," the energy in white noise is distributed equally across all frequencies, explains Limbekar. The difference between the sleep-friendly color-coded tones lies in their sound frequency (aka the speed of sound). The sound can be compared to a low rumble of thunder, a heavy, consistent rainfall, or a strong waterfall, says Limbekar. He points out that brown has a very deep bass component to it, which can be more soothing to some sleepers. Christopher Winter, M.D., neurologist and sleep specialist. Compared to white and pink noise, brown is deeper in sound, says Dr. Naina Limbekar, M.D., a sleep neurologist at Boston Medical Center. It gets its name from Robert Brown, a botanist who first discovered " Brownian motion," aka random particle motion, says Dr. While popular go-to sounds include white and pink noise, you may have scrolled through to see another color: brown. If tossing and turning is a familiar sleep pattern for you, odds are you’ve exhausted countless apps in the quest for a better night’s sleep.
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