Terms of use
Last updated: October 21, 2026
Using the site
CycleRest is free to use. No account is needed. Please do not misuse the site or try to disrupt it.
Not medical advice
This calculator gives general estimates based on average 90-minute sleep cycles. It isn’t medical advice. If you have ongoing trouble sleeping, loud snoring, or daytime sleepiness, talk to a doctor. The calculators and articles are general information only and are not a substitute for advice from a qualified healthcare professional. See the medical disclaimer.
Your data
Your settings and sleep debt entries are stored in your own browser. Clearing your browser data deletes them, and we cannot recover them. See the privacy policy.
Links to other sites
We link to the sources we cite. We are not responsible for the content of other sites. This site contains no affiliate links.
Content
The text and design belong to [to be provided] (owner). You may link to any page. Quotations from cited sources remain the property of their publishers.
Availability
We aim to keep the site available and the calculations correct, but the site is provided as is, without warranties.
Limitation of liability
[to be provided]
Governing law
These terms are governed by the laws of [to be provided].
Contact
[to be provided] (contact email)