sleep² – Understanding Sleep, Enhancing Recovery, Promoting Health
sleep² combines objective sleep measurement, scientific evaluation, and targeted impulses – for restful sleep and sustainable health.
Registration for sleep²
After registration, you will receive an email with all the information about your next steps.
You can use the sleep² app free of charge for two months. Cancellation is not required; access ends automatically. The aim is to provide you with objective feedback on your sleep and concrete impulses for regeneration and more restful sleep.
Your Path to Better Recovery in Marathon Training
High-precision sleep tracking
With sleep², you can precisely track your sleep and habits. Our app automatically analyzes the sleep data and creates a detailed sleep analysis with meaningful sleep statistics.
- Track your sleep manually with a digital sleep diary
- Import sleep data from other devices via Apple Health or Google Health
- Track your sleep with a biodata sensor from Polar (H10 or Verity Sense) for maximum measurement accuracy
Observe and improve your sleep quality
sleep² offers you individual recommendations, targeted sleep exercises, and effective coaching elements. This way, you receive concrete strategies to sustainably improve your sleep quality and have a more restful night.
- Define and track sleep goals
- Individual recommendations & tips based on daily sleep analysis
- Sleep sounds & audio relaxation exercises for faster falling asleep
- Helpful knowledge about healthy sleep
- Sleep therapy - certified as a medical product - according to CBT-I
Here's how you get a subscription!
- Go to www.sleep2.com/dxpx2026
- Enter voucher code and register
- Download sleep² app in App Store / Google Play
- Open and confirm activation email
- Log in to the app with your activated access
- Use for 2 months for free. Ends automatically.
FAQs
sleep² works with the Polar Verity Sense wristband and the Polar H10 chest strap. However, you can also start without a sensor: either enter your sleep manually or import data from Apple Health or Google Health.
Yes. Several scientific studies show significant improvements in sleep duration, sleep latency, and sleep efficiency. Details can be found at http://sleep2.com/unsere-forschung.
No. The app guides you step by step—from the initial pairing or diary entry to the appropriate evening routine.
Your data is stored in European data centers in encrypted form in accordance with GDPR regulations and will never be disclosed without your consent.