Sleep Again
Predict early morning wake-ups
Only for iPhone
Free · In‑App Purchases
iPhone
You wake up at 3am. Or 4am. Or 5am.
You know you should still be asleep. But your mind is already running. Replaying yesterday, rehearsing tomorrow. You lie there, watching the ceiling, hoping sleep will come back. Sometimes it does. Often it doesn't.
This is terminal insomnia. Early morning awakening. It's the most common sleep problem for entrepreneurs and founders — and almost no app is built for it.
Sleep Again is.
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THE PROBLEM WITH EXISTING SLEEP APPS
Most sleep apps track what already happened. They show you last night's score the morning after. By then, it's too late. You can't go back and fix Tuesday at 3am.
Sleep Again works differently. It analyzes your HRV, heart rate, and sleep stage data from HealthKit and calculates your risk of an early morning wake-up before you go to sleep. You see your risk each evening — so you can act while there's still time.
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HOW IT WORKS
Sleep Again reads your health data from Apple Health each evening. It looks at:
• Heart rate variability (HRV) — your body's real-time stress marker
• Resting heart rate — elevated HR correlates with disrupted sleep
• Sleep stage history — your recent deep sleep and REM patterns
From these signals, it calculates your early wake-up risk for tonight. High cortisol days — heavy workouts, investor meetings, travel stress — show up in your HRV before you feel them at 3am.
The prediction gives you a window to act: adjust your wind-down routine, skip the late workout, or simply know what's coming so you're not blindsided.
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BUILT FOR ENTREPRENEURS
Founders don't sleep poorly because of poor sleep hygiene. They sleep poorly because financial uncertainty, product stress, and the inability to mentally shut off keep cortisol elevated into the night.
Sleep Again was built alongside the book "Sleep Again: Finding Rest in a World Built on Urgency" by Joakim Achrén — a founder who spent 15 years building VC-backed companies and sleeping terribly. The app applies the book's core insight: you can't fix a 3am wake-up at 3am. You have to act the evening before.
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WHAT YOU GET
• Evening risk score — your wake-up risk for tonight, calculated from real health data
• Contributing factors — understand what's driving your risk (HRV drop, disruptions, overtraining)
• Risk trends — see patterns across days and weeks
• HealthKit integration — reads Apple Watch, Oura, WHOOP, and any HRV-capable device
All features unlock with a 7-day free trial — no payment until trial ends.
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FROM THE BOOK
Readers of "Sleep Again" can unlock a 3-month pass using the QR code included in their ebook or audiobook bundle purchase. Tap "Redeem a pass" on the paywall to enter your code.
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PRIVACY
Sleep Again reads health data locally from HealthKit. Your data is not sent to external servers for processing. HRV and heart rate readings stay on your device.
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SUBSCRIPTION
Sleep Again Premium unlocks all features:
• $9.99/year (save 58%) — 7-day free trial
• $1.99/month — 7-day free trial
• Cancel anytime. No payment due during trial.
Payment is charged to your Apple ID after the 7-day trial. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel in Settings → Apple ID → Subscriptions.
Privacy Policy: https://sleepagain.co/privacy
Terms of Use: https://sleepagain.co/terms
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- The app now opens to the right screen based on time of day — Sleep tab in the morning, Tonight in the afternoon, Wind-down in the evening
- Redesigned sleep schedule charts with weekly averages and time labels on each bar
- Improved daytime reminder defaults — key reminders are now enabled automatically
- Fixed book cover display in Settings
- Various UI refinements and bug fixes
The developer, Joakim Achren, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Health & Fitness
- Purchases
- User Content
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Joakim Achren
- Size
- 13.5 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later.
- iPhone
- Languages
- English
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Monthly $1.99
- Yearly $9.99
- Copyright
- © 2026 Joakim Achrén