Terms of Use
By using Calculator for Sleep you agree to these terms. They are short and written in plain language.
General guidance, not medical advice
Calculator for Sleep estimates cycle-aligned bedtimes and wake times from population averages. It is for general informational purposes only and is not medical advice, diagnosis, or treatment. Sleep needs vary, and the calculator cannot account for your individual health. If you have a sleep disorder or a persistent problem with your sleep, please talk to a qualified healthcare professional. Do not rely on this tool for any decision where being awake and alert is safety-critical.
Accuracy
We work to keep the science accurate and the calculations correct, and we cite our sources. Even so, we provide the site "as is," without warranties of any kind, and we cannot guarantee that every result or statement is free of error.
Affiliate links and advertising
The site contains advertising and affiliate links. As an Amazon Associate we earn from qualifying purchases. We are not responsible for the products, prices, or policies of third-party retailers or advertisers; your dealings with them are governed by their own terms.
Intellectual property
The text, design, and code of this site are ours unless otherwise noted. You are welcome to link to the site and to share results. Please do not copy the content wholesale or present it as your own.
Limitation of liability
To the fullest extent permitted by law, Calculator for Sleep is not liable for any loss or damage arising from your use of, or inability to use, the site or its calculations.
Governing law
These terms are governed by the laws of the United States. Any dispute arising from your use of the site will be handled under United States law.
Changes
We may update these terms from time to time. The date at the top reflects the latest version, and continued use of the site means you accept the current terms.
Contact
Questions about these terms? Reach us through the contact form or at [email protected].