Privacy Policy

Last updated: February 2, 2026

      Summary: Sleep Cycles does not collect, store, or share any personal data. Everything stays on your device.
    

Introduction

Sleep Cycles ("we", "our", or "the app") is committed to protecting your privacy. This Privacy Policy explains how we handle information when you use our sleep cycle calculator app.

Information We Collect

We do not collect any personal information.

Sleep Cycles is designed with privacy in mind:

No account or registration required
No personal data is collected
No usage analytics or tracking
No data is sent to external servers
All preferences are stored locally on your device

Local Storage

The app stores the following information locally on your device only:

Your preferred fall-asleep time setting
Sleep timer duration preference
Currently playing ambient sound selection
Scheduled alarm information

This data never leaves your device and is used solely to improve your experience with the app.

Notifications

If you enable notifications, Sleep Cycles may send you:

Wake-up reminders at times you select
Optional bedtime reminders

Notification permissions are optional and can be revoked at any time through your device settings.

Third-Party Services

Sleep Cycles does not integrate with any third-party analytics, advertising, or tracking services.

Children's Privacy

Sleep Cycles does not collect any personal information from anyone, including children under 13.

Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date.

Contact Us

If you have questions about this Privacy Policy, please contact us at:

[email protected]

Your Rights

Since we don't collect personal data, there is no data to access, modify, or delete. Your preferences can be reset by reinstalling the app or clearing app data in your device settings.