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About Stellar Sleep: Insomnia CBT

Learn how to sleep again with the award-winning mobile app for insomnia started as a venture at Harvard Innovation Labs, and developed in collaboration with sleep psychologists, therapists, and researchers. Looking to improve your sleep permanently? Any program can tell you to cut coffee, use blue-light filters or meditate. But the truth is much of the generic advice on the internet doesn’t work for people with insomnia. Stellar Sleep is different. Stellar Sleep uses the #1 science-backed approach for improving sleep that is personalized to your needs and simply works. We empower you to live a healthier and happier life by better understanding yourself and your brain, so you can wake up every morning feeling refreshed and ready to tackle the challenges of the day. Our results speak for itself. We have helped over a thousand patients fall asleep faster and stay asleep longer using psychology. Over 80% of our users see a dramatic improvement in their sleep in less than 4 weeks. Our evidence-based program takes only 5 to 10 minutes a day, and includes topics around: * Stimulus control * Cognitive restructuring * Undergoing sleep restriction therapy * Building strong sleep habits * Calming down a racing mind * Relaxation techniques * And much, much more In addition to our core sleep curriculum, you’ll have access to the following features: * A comprehensive library of nature sounds, breathing exercises, progressive muscle relaxation exercises, bedtime stories, sleep music and guided meditations to help you relax and unwind. * Track your progress, better understand your sleep and stay on top of trends with our sleep diary. * Connect with wearables through the Health App. * Gratitude and worry journaling. * 30 night challenge for those who have reached their sleep goal and want to maintain it. * A deeper dive into other mental health challenges. * Strategies for creating lasting behavioral changes in other aspects of your life.

Ratings & reviews

4.7

2.7K ratings

5 ★ 83% 4 ★ 12% 3 ★ 2% 2 ★ 1% 1 ★ 3%

What’s new

Version 1.0.142 · Updated September 24, 2026

Improvements and fixes

App privacy

The developer, Merlin Collective, LLC, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Identifiers: User ID

Used for: Analytics, App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Product Interaction, Other Usage Data
  • Diagnostics: Crash Data, Performance Data
  • Health & Fitness: Health
  • Contact Info: Name, Email Address

Used for: Analytics, Product Personalization, App Functionality

Alternatives to Stellar Sleep: Insomnia CBT

Looking for apps like Stellar Sleep: Insomnia CBT? Here are 6 similar apps on the App Store. The highest rated is Sleep Reset: CBT for Insomnia (4.8/5), and all 6 are free to download.

Stellar Sleep: Insomnia CBT vs. alternatives
App Rating Price Last updated Compare
Stellar Sleep: Insomnia CBT 4.7 / 5 (2,745 ratings) Free September 24, 2026
Sleep Reset: CBT for Insomnia 4.8 / 5 (3,463) Free Oct 7, 2026 Compare
CBT-i Coach 4.6 / 5 (12,585) Free Jun 23, 2026 Compare
Insomnia Coach 3.7 / 5 (88) Free Jun 11, 2025 Compare
Sleepio 3.0 4.6 / 5 (77) Free Oct 8, 2026 Compare
Rest: Fix Your Sleep For Good 4.4 / 5 (2,706) Free Oct 2, 2026 Compare
CBT I Therapy: MentalFuture 4.2 / 5 (250) Free Sep 10, 2025 Compare

Compare Stellar Sleep: Insomnia CBT with the top alternatives: ratings, updates, ASO score and keyword gaps →