Last updated: May 19, 2026
This Privacy Policy describes how Sleep Cycle Calculator ("we", "us", or "our") at navi-resources.com collects, uses, and shares information when you use our website.
Sleep Cycle Calculator is a free tool that runs entirely in your browser. We do not collect, store, or transmit any personal data you enter into the calculator (such as sleep times or wake times). All calculations happen locally on your device.
We may automatically collect limited technical information through third-party services (see below), including:
We use Google Analytics to understand how visitors use our website. Google Analytics collects anonymized usage data using cookies. This data helps us improve the calculator and understand which features are most useful.
You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.
For more information on how Google uses data, visit Google's Privacy Policy.
We use Google AdSense to display advertisements on our website. Google AdSense uses cookies to serve ads based on your prior visits to our website and other websites on the internet.
Google's use of advertising cookies enables it and its partners to serve ads based on your visit to our site and/or other sites on the internet. You may opt out of personalized advertising by visiting Google Ads Settings.
Our website uses cookies primarily through Google Analytics and Google AdSense. These are small text files stored on your device that help us analyze traffic and display relevant advertisements.
You can control or delete cookies through your browser settings. Disabling cookies may affect the functionality of some features.
Our website may contain links to third-party websites. We are not responsible for the privacy practices of those sites and encourage you to review their privacy policies.
Our service is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13.
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page with an updated date.
If you have any questions about this Privacy Policy, please contact us at: privacy@navi-resources.com
© 2026 Sleep Cycle Calculator · Home · Privacy Policy