About
This app analyzes your daily habits and sleep data to uncover patterns influencing your sleep quality. It offers a system to test habit changes and provides personalized, data-driven insights to improve your sleep score. All analysis is performed on-device for maximum privacy.
What's New in Somnus
1.1
March 22, 2026
Thanks for the amazing reception since launch! This update makes Somnus even better: Faster first-launch experience - see your first insight sooner Optimised analysis pipeline for quicker pattern detection Stability and reliability improvements Keep the feedback coming!
MoreSubscription plans
Yearly
A Yearly Subscription for Somnus Pro
In-App Purchases
$29.99
Lifetime
Lifetime Access to Somnus Pro
Developer apps
FAQ
What is Somnus?
Somnus is an AI-powered sleep tracker that analyzes your daily habits and sleep data to provide personalized insights and a system for testing habit changes. It aims to help you understand and improve your sleep quality.
How does Somnus analyze sleep?
Somnus analyzes over 25 health signals including sleep stages, heart rate, HRV, steps, and exercise. This data is processed on-device using Apple Intelligence to identify specific patterns that affect your sleep score.
Can I run experiments with Somnus?
Yes, Somnus allows you to run structured sleep experiments. You can set targets for habit changes, and the app will track your adherence and compare your sleep scores on target versus off-target nights.
What data does Somnus use?
Somnus uses data from Apple Health and is best used with an Apple Watch or compatible sleep tracker. It analyzes sleep stages, heart rate, HRV, steps, exercise, bedtime consistency, and perceived sleep.
Is Somnus free to use?
Somnus offers a free version that includes a nightly sleep score with a detailed breakdown, 7 and 30-day trend charts, perceived sleep tracking, and your first data-driven insight. Additional features are available with Somnus Pro.
What are the benefits of Somnus Pro?
Somnus Pro unlocks the full insight library with over 25 behavioral signals, the sleep experiment system with plans and analytics, advanced recovery metrics, AI-powered weekly plan reviews, and the causal pattern detection engine.
Does Somnus have ads?
No, Somnus is ad-free. The app emphasizes privacy and states that no ads are present, with all analysis running on-device.
Is Somnus suitable for children?
Somnus has an age rating of 17+, indicating it is intended for adult users. It provides health data insights and is not a substitute for professional medical advice.