Last updated: 2026-09-11. By using Sleep Calculator, you agree to these terms.
Sleep Calculator provides a free sleep cycle calculator and related informational pages operated by Digimarket Group SIA. Features may change without notice. We do not guarantee uninterrupted availability.
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The service is provided as is without warranties of any kind, express or implied, including accuracy, fitness for a particular purpose, or non-infringement to the fullest extent permitted by law.
To the maximum extent permitted by applicable law, Digimarket Group SIA shall not be liable for indirect, incidental, special, consequential, or punitive damages, or any loss of profits or data, arising from your use of the site.
These terms are governed by the laws of the Republic of Latvia, without regard to conflict-of-law principles, unless mandatory consumer protections in your country provide otherwise.