Privacy policy

Last updated: June 15, 2026

Overview

Real Sleep Calculator ("we," "us," or "our") operates sleepcalculatorapps.com. This page informs you of our policies regarding the collection, use, and disclosure of information when you use our website.

Information we collect

Our sleep calculators run entirely in your browser. We do not collect, store, or transmit the times or sleep data you enter. No account is required.

We may automatically collect standard web analytics data, including:

• Pages visited and time spent on pages
• Browser type and device information
• Approximate geographic location (country/region level)
• Referring website

Cookies and advertising

We use Google Analytics to understand how visitors use our site. Google Analytics uses cookies to collect anonymous usage data. You can opt out via Google's browser add-on.

We use Google AdSense to display advertisements. Google and its partners may use cookies to serve ads based on your prior visits to this or other websites. You may opt out of personalized advertising by visiting Google Ads Settings.

Third-party services

Our website may contain links to third-party sites. We are not responsible for the privacy practices of those sites. We encourage you to read their privacy policies.

Children's privacy

Our services are not directed to children under 13. We do not knowingly collect personal information from children.

Changes to this policy

We may update this privacy policy from time to time. Changes will be posted on this page with an updated revision date.

Contact

For privacy-related questions, contact us at hello@sleepcalculatorapps.com.