Curated Sound Mix

Brown Noise and Ocean for Travel Sleep

A portable low-frequency base with distant waves for unfamiliar rooms.

100%

This mix layers

Open in mixer

Keep this mix, adjust it, and start it again in a tap. The Slo app, on iOS, Android and Mac.

A familiar layer for an unfamiliar room

Hotel rooms and guest spaces often contain unpredictable vents, hallways, or street sound. Brown noise supplies a steady low foundation, and ocean waves add a recognizable rhythm without becoming musical. This preset places brown noise at 68%, the strongest base in the collection, with ocean at 32% as a distant accent. The consistent combination can help you recreate the same auditory setting across trips. It does not ensure sleep, but it offers a repeatable background when the acoustics around you change from one night to the next.

Set it up before you are tired

Test the mix after arriving rather than discovering at bedtime that a speaker is too bright or the connection is unreliable. Use the browser page while you still have internet access, position the device securely, and make sure charging cables do not create a trip hazard. Keep enough awareness for alarms, announcements, or people sharing the room. In transit, never use isolating playback where safety requires hearing the environment. A timer can be useful if you only want coverage while settling into the new space.

Adapt to the room, not the default numbers

If an air conditioner already provides low sound, reduce brown noise to 50–55% and use only enough ocean to soften its mechanical character. In a very quiet room, lower the master level substantially rather than preserving the preset’s absolute output. If waves seem too close, take ocean into the twenties. Phone speakers vary, and some barely reproduce brown-noise depth, so a compact travel speaker may sound different at the same slider positions. Favor a quiet, stable blend that leaves alarms clearly audible.

Explore the sounds in this mix

Listen to each layer on its own: Brown Noise and Ocean Waves. Or start from scratch in the free online sound mixer.

Frequently asked questions

Will this work without headphones?

Yes. A phone or travel speaker can play it, though bass response and volume will differ by device.

Can I hear my alarm over the mix?

Keep playback low and test your alarm in the actual room before sleeping.

Why is brown noise set to 68%?

It is intended as the steady base, while ocean stays distant at 32%.