Last updated: October 14, 2026
By accessing or using this website (the "Site"), you agree to be bound by these Terms & Conditions. If you do not agree, please do not use the Site.
The Site provides a free sleep calculator that suggests bedtimes and wake-up times based on average 90-minute sleep cycles. The tool is provided for general information and convenience only.
The Site does not provide medical advice, diagnosis or treatment. See our Disclaimer for details.
You agree not to: (a) use the Site for any unlawful purpose; (b) attempt to disrupt, hack or overload the Site; (c) scrape or copy the Site's content at scale without permission; or (d) misrepresent the Site's content as your own.
All content, design, text, graphics and code on the Site are owned by or licensed to Sleep Calculator and are protected by copyright and other laws. You may use the Site for personal, non-commercial purposes.
The Site may contain links to third-party websites or display third-party advertising. We do not control and are not responsible for their content or practices.
The Site is provided "as is" and "as available" without warranties of any kind, express or implied, including accuracy, reliability, fitness for a particular purpose or uninterrupted availability.
To the maximum extent permitted by law, Sleep Calculator and its owners shall not be liable for any direct, indirect, incidental or consequential damages arising from your use of, or inability to use, the Site or from reliance on any results it produces.
We may modify the Site or these Terms at any time. Changes take effect when posted on this page. Continued use of the Site means you accept the updated Terms.
These Terms are governed by the laws of the jurisdiction in which the Site owner resides, without regard to conflict-of-law rules.
Questions about these Terms? Please contact us through the contact details provided on this website.