One honest number. Measured against you.
Nightsong is a snoring, breathing, and sleep wellness tracker app for iPhone. Your audio never leaves the phone.
Honest
If you snored or your breathing was uneven, it tells you. If you didn't, it says so.
Same night, same number. Honest minutes, never a flattering guess, never a fake zero.
Minutes of snoring and breathing steadiness roll up into the Somnus Index™, a 0 to 100 score you can watch move.
The morning
And this is what you wake up to.
Your Somnus Index for the night, front and center. Under it, the honest details: how many minutes of snoring it heard, and how steady your breathing sounded. Every number is set against your own baseline, never a stranger's average.
Private
It listens all night. Your audio never leaves your phone.
- The listening, the math, and the morning number all happen on the device.
- Your recordings are never uploaded. There is no cloud copy of your audio. No server holds a night of your sound.
- This site keeps the same spirit. No trackers, no pixels, nothing watching you read.
What we do and don't collect
- On your phone, and only your phone: every recording, all the audio analysis, and your nightly Somnus Index.
- What we do collect: if you join the waitlist or make an account, the details you give us, like your email, so we can reach you. Our Privacy Policy covers those.
- The line that never moves: your sleep audio is never one of those things. It stays on the device, always.
On-device by design
Ambient intelligence, kept on your phone.
The room reads the night, and your recording never leaves the device.
Your setup is yours
Whatever you already use, you own it here.
Using something already for your nights? Add it if you like. It lives on your phone, for your own record, and it never changes your number.
Calm
You, measured against you.
One night is noise. A month is signal. Nightsong builds a baseline from your own nights and shows you the slope. A loud Tuesday never gets the last word.
How it works
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Set your phone by the bed.
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Sleep like you always do.
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Wake to your Somnus Index.
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Watch your trend take shape.
No wearable required. Your phone is the sensor. If you wear a watch, it enriches the picture. It never gates it.
Nightsong is a wellness and longevity product from Somnus Technologies, Inc.
Real nights, on real phones
Real nights, on real phones, today.
Thousands of hours of real overnight audio, analyzed entirely on the device. Testers across multiple states, every night. The engine is real, and it runs on your phone.
Inside Nightsong
A gentle wake. A streak worth keeping.
Smart wake eases you up, always by the time you set.
If you wear an Apple Watch, it wakes you with a tap only you feel, not the person beside you. If you don't, the phone does it with a soft sound and haptic ramp.
Mornings in a row become streaks and badges. Small wins that keep you coming back to your own baseline.
Built for longevity
Nightsong is built for longevity.
Sleep is the most powerful lever you have, and how you breathe at night is where it starts.
Most sleep trackers are tuned for a young athlete. Nightsong is built for the stretch of life when steady nights matter most.
Questions
Ask Nightsong.
Questions about your sleep, answered on your phone. Plain words in, plain answers out, grounded in your own nights. Like everything else Nightsong does, the conversation never leaves the device. And it is not a doctor: for anything medical, it points you to a real person.
Be first in line.
Nightsong is coming. The waitlist is open now.
How your night stays yours
Modern AI. Kept honest. On your phone.
A learned model, the same kind of AI behind today's voice and photo tools, is trained to recognize the real sound of snoring and breathing. Plain, fixed checks then throw out anything that was not loud enough or steady enough to be real. The model is smart; the checks keep it honest. If the room was too loud or the night too short, you get no score instead of a guess. Same night, same number, and all of it runs on your phone.
What leaves the phone, and what never does.
Your recordings never leave the device. Ever. With your consent, a small set of derived numbers, minutes of snoring, breathing steadiness, your score, travels to our own locked storage on Cloudflare. No name, no email, and no account handle rides with those numbers.
A pattern older than us.
This is the same separation pattern used in defense systems and hospital records: the sensitive layer never travels, and what travels carries no name, email, or account. We did not invent the pattern. We just refused to ship without it.
Questions people ask
- Does Nightsong send my audio to the cloud?
- No. Nightsong records, analyzes, and scores your night entirely on your iPhone. Your recordings are never uploaded and there is no cloud copy of your audio.
- What is the Somnus Index?
- The Somnus Index is a 0 to 100 nightly wellness score. It rolls up how many minutes of snoring Nightsong heard and how steady your breathing sounded, measured against your own baseline rather than a stranger's average.
- Is Nightsong a medical device?
- No. Nightsong is a wellness and longevity product from Somnus Technologies, Inc. It does not diagnose, treat, or provide medical advice.
- What data does Nightsong collect?
- Your recordings and audio analysis stay on your phone. If you join the waitlist or make an account, Nightsong collects the details you provide, such as your email. Your sleep audio is never uploaded and never collected.
- How does Nightsong measure a night without sending it anywhere?
- The listening, the math, and the morning number all happen on the device. Nightsong analyzes breathing and snoring locally on the iPhone and produces the Somnus Index without any server processing your audio.
- When is Nightsong available?
- Nightsong is opening a beta. You can join the waitlist now and Nightsong will email you when it is your turn.