Privacy Policy

Last updated: October 15, 2025

Data Collection

Serenight accesses your sleep data through Apple HealthKit with your explicit permission. We only collect sleep-related information necessary to provide our service.

Data Storage

All your sleep data remains on your device. We do not transmit, store, or share your personal health information on external servers.

Data Usage

Your sleep data is used solely to:

• Generate personalized sleep insights
• Display sleep quality metrics
• Provide sleep trend analysis
• Offer sleep improvement recommendations

Third-Party Services

Serenight may use AI services to generate insights about your sleep patterns. When using these features, anonymized data may be processed, but no personally identifiable information is shared.

Data Security

We implement industry-standard security measures to protect your data. Since data remains on your device, it's protected by your device's security features.

Your Rights

You can revoke HealthKit permissions at any time through your device's Settings app. You can also delete the app to remove all associated data.

Contact

If you have questions about this privacy policy, please contact us through the App Store.