Terms of Service

Last updated: December 2025

Agreement to Terms

By accessing and using Sleep-Calculator.app, you agree to be bound by these Terms of Service. If you do not agree with any part of these terms, please do not use our website.

Description of Service

Sleep-Calculator.app provides a free online tool that calculates optimal sleep and wake times based on sleep cycle science. The calculator helps users plan their sleep schedule by accounting for the approximately 90-minute sleep cycles and typical time needed to fall asleep.

Medical Disclaimer

Important: The information and calculations provided by Sleep-Calculator.app are for general informational purposes only and are not intended as medical advice.

  • Our calculator is based on average sleep cycle durations and may not reflect your individual sleep patterns.
  • This tool is not a substitute for professional medical advice, diagnosis, or treatment.
  • If you have sleep disorders, health concerns, or persistent sleep problems, please consult a qualified healthcare provider.
  • Never disregard professional medical advice or delay seeking it because of information provided by this website.

Use of the Service

By using our service, you agree to:

  • Use the calculator for personal, non-commercial purposes
  • Not attempt to interfere with or disrupt the service
  • Not use automated systems to access the website in a manner that sends more requests than a human can reasonably produce
  • Not copy, modify, or distribute our content without permission

Intellectual Property

All content on Sleep-Calculator.app, including text, graphics, logos, and software, is the property of Sleep-Calculator.app and is protected by applicable intellectual property laws. You may not reproduce, distribute, or create derivative works without our express written permission.

Accuracy of Information

While we strive to provide accurate and up-to-date information about sleep science, we make no warranties or representations about the completeness, accuracy, or reliability of any content on this website. Sleep patterns vary significantly between individuals, and the calculated times are estimates based on average sleep cycle durations.

Limitation of Liability

To the fullest extent permitted by law, Sleep-Calculator.app shall not be liable for any indirect, incidental, special, consequential, or punitive damages resulting from your use of or inability to use the service. This includes any damages arising from reliance on the calculated sleep times or information provided on this website.

Service Availability

We strive to keep Sleep-Calculator.app available at all times, but we do not guarantee uninterrupted access. We may modify, suspend, or discontinue the service at any time without notice. We are not liable for any modification, suspension, or discontinuation of the service.

External Links

Our website may contain links to third-party websites. We are not responsible for the content, privacy policies, or practices of any third-party sites. Visiting external links is at your own risk.

Changes to Terms

We reserve the right to modify these Terms of Service at any time. Changes will be effective immediately upon posting on this page. Your continued use of the service after any changes indicates your acceptance of the new terms.

Governing Law

These Terms of Service shall be governed by and construed in accordance with applicable laws, without regard to conflict of law principles.

Contact Us

If you have any questions about these Terms of Service, please contact us at: [email protected]

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