Guides

Sleep sound guides

Each guide answers one sleep question first — which sound to play, how loud, for how long — then shows the exact steps to do it in Sound Machine Deep Sleep DRMN on iPhone.

What Makes a Good White Noise App for iPhone

The four features that separate a real white noise app from a looping audio file — and how to set one up tonight.

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Sound Machine App vs Bedside Machine: Which to Choose

What a $50–$100 sound machine actually does, and when your iPhone does it better for free.

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The Best Sounds for Sleep, Ranked by What Wakes You

White vs pink vs brown noise, rain, fan, and ocean — which masking sound fits your bedroom and your brain.

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How to Fall Asleep Fast Using Sound

A 15-minute wind-down routine built on sound conditioning — the same cue every night, until sleep is automatic.

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Rain Sounds for Sleeping: Why They Work and How to Use Them

Why rain beats pure white noise for many sleepers, and the rain + brown noise mix worth trying first.

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Sleep Sounds With a Timer: Fade Out Instead of Stopping

All-night audio vs a timed fade — what the research says, and how to set a 10-hour gradual fade in DRMN.

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White Noise for Babies: Safe Volume, Distance, and Setup

The 50-decibel rule, the 7-foot rule, and which sounds actually settle newborns — hair dryer, vacuum, static.

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How to Block Out Snoring With Sound Masking

Snoring is low-frequency noise, so most white noise fails. Here is the mix that actually covers it.

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Fan Noise for Sleep — Without Running a Fan All Night

Keep the fan hum, skip the cold air and the electricity bill. Gapless fan sound on your phone.

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Deep Sleep Sounds: What to Play for More Restorative Sleep

Which sound frequencies support deep sleep stages, and how to run them through your first sleep cycles.

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Sound Machine Deep Sleep DRMN app icon
Sound Machine Deep Sleep DRMN Free white noise, rain, fan and deep sleep sounds with a fade-out timer.
Download on the App Store