Terms of Service

Welcome to Sleep Calculator. By using this site, you agree to these terms. If you do not agree, please do not use the site.

The service
Sleep Calculator is a free online tool that suggests bedtimes and wake-up times based on average 90-minute sleep cycles. The site is provided “as is,” without warranties of any kind.

Not medical advice
The calculator and all content on this site are for general information only and are not medical advice. Sleep needs vary from person to person. If you have ongoing sleep problems, insomnia, or a health condition, please consult a qualified healthcare professional before relying on this tool.

Acceptable use
You agree not to misuse the site, attempt to disrupt it, or use it for any unlawful purpose.

Intellectual property
The design, code, and content of this site belong to us or our licensors and may not be copied or redistributed without permission, except for personal, non-commercial use.

Third-party links and ads
The site may include links to third-party websites and advertising. We are not responsible for their content or practices.

Limitation of liability
To the fullest extent permitted by law, we are not liable for any damages arising from your use of the site or reliance on its results.

Changes
We may update these terms at any time. Continued use of the site after changes are posted means you accept the updated terms.

Contact
Questions about these terms? Email us at hello@ssleepcalculator.com.