Terms of Service

Last updated: November 9, 2026

Acceptance of Terms

By accessing and using SleepCalculator ("the Site"), you accept and agree to be bound by these Terms of Service. If you do not agree, please do not use the Site.

Informational Use Only — Not Medical Advice

The Site provides general information about sleep cycles and sleep timing for educational purposes. It is not a medical device and does not provide medical advice, diagnosis, or treatment. Always consult a qualified health professional with any questions about your sleep or health. Never disregard professional medical advice because of something you read or calculated on this Site.

No Warranty

The Site and its calculator are provided "as is" without warranties of any kind, express or implied. Sleep cycle lengths vary between individuals, and results are estimates only. We do not warrant that the Site will be available uninterrupted or error-free.

Limitation of Liability

To the maximum extent permitted by law, we shall not be liable for any direct, indirect, incidental, or consequential damages arising from your use of, or inability to use, the Site.

Intellectual Property

The design, text, and code of the Site are the property of the Site owner and protected by copyright. You may not reproduce or redistribute substantial portions of the Site without permission.

Third-Party Links and Ads

The Site may contain links to third-party websites and third-party advertising. We are not responsible for the content, policies, or practices of any third party.

Changes to These Terms

We may revise these Terms at any time. Continued use of the Site after changes are posted constitutes acceptance of the revised Terms.

Contact

Questions about these Terms may be sent via the contact page.