Terms of service

Last updated: June 15, 2026

Acceptance of terms

By accessing and using Real Sleep Calculator at sleepcalculatorapps.com, you accept and agree to be bound by these Terms of Service.

Description of service

Real Sleep Calculator provides free online tools for estimating sleep and wake times based on general sleep science principles. Our calculators are for informational and educational purposes only.

Medical disclaimer

Our tools are not medical devices and do not provide medical advice. The information provided should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for sleep disorders or health concerns.

Accuracy

While we strive for accuracy using established sleep science averages (90-minute cycles, 14-minute sleep latency), individual sleep patterns vary. Results are estimates, not guarantees.

Intellectual property

All content on this website, including text, design, and code, is owned by Real Sleep Calculator and protected by applicable copyright laws. You may not reproduce or redistribute our content without permission.

Limitation of liability

Real Sleep Calculator is provided "as is" without warranties of any kind. We are not liable for any damages arising from your use of our tools or reliance on calculated results.

Changes to terms

We reserve the right to modify these terms at any time. Continued use of the site after changes constitutes acceptance of the new terms.

Contact

Questions about these terms? Contact hello@sleepcalculatorapps.com.