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Neuroscientists Say These Sounds Lower Cortisol — Here's A Free Tool That Taps Into Your Brain's Stress Response - BuzzFeed

No app, no subscription, no catch. Just scroll down, hit play, and let the science do its thing. Your own personal sound machine is right here in this post.

HealthBy Dr. Jonathan MillerFebruary 28, 20261 min read

Last updated: April 4, 2026, 5:10 AM

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Neuroscientists Say These Sounds Lower Cortisol — Here's A Free Tool That Taps Into Your Brain's Stress Response - BuzzFeed

No app, no subscription, no catch. Just scroll down, hit play, and let the science do its thing. Your own personal sound machine is right here in this post.

by Jonah PerettiBuzzFeed Founder & CEO

commentFacebookPinterestLink Here's something your stressed-out nervous system will appreciate: sound is actually medicine. A 2025 review in JMIR Mental Health examined studies spanning 35 years and found that specific sounds measurably lower cortisol levels, reduce heart rate, and regulate your body's stress response. Nature sounds calm your fight-or-flight response by signaling to your brain that nothing is wrong. Binaural beats nudge your brain into slower, more relaxed wave patterns. { "id": 140257319 } With our custom mixer, you can actually make your own elite cocktail of relaxation sounds for anxiety, stress, sleeplessness — anything that ails you. My personal favorite is the "Just Breathe" coupled with "Unplug" and "Melt Stress." Try it now!

Know someone who could use a breather? Send them this.

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Dr. Jonathan Miller

Health Editor

Dr. Jonathan Miller covers public health, medical breakthroughs, and healthcare policy. A former practicing physician with an M.D. from Johns Hopkins, he brings clinical expertise to his reporting on everything from pandemic preparedness to pharmaceutical regulation. His health policy analysis is cited by policymakers.

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