Privacy Policy

Effective Date: January 1, 2025

At Sleep Calculator (sleepcalculators.org), we are committed to protecting your privacy and ensuring the security of any information you may provide while using our sleep cycle calculator and related services.

1. Information We Collect

1.1 Information You Provide

Our sleep calculator tool operates entirely in your browser and does not require you to provide any personal information. The sleep times and wake times you input are processed locally on your device and are not transmitted to our servers.

1.2 Automatically Collected Information

When you visit our website, we may automatically collect certain information, including:

2. How We Use Your Information

We use the collected information for the following purposes:

3. Cookies and Tracking Technologies

We may use cookies and similar tracking technologies to enhance your experience on our website. These may include:

You can control cookie settings through your browser preferences. However, disabling certain cookies may affect website functionality.

4. Third-Party Services

Our website may use third-party services for analytics and advertising purposes, including:

These third parties have their own privacy policies governing their use of your information.

5. Data Security

We implement appropriate security measures to protect your information against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the internet is 100% secure, and we cannot guarantee absolute security.

6. Data Retention

Since our sleep calculator operates locally in your browser, we do not store your sleep calculation data. Website analytics data is retained according to our third-party service providers' policies, typically for 12-24 months.

7. Your Rights and Choices

Depending on your location, you may have certain rights regarding your personal information:

8. Children's Privacy

Our service is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If we become aware that we have collected personal information from a child under 13, we will take steps to delete such information.

9. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. We ensure appropriate safeguards are in place for such transfers in accordance with applicable data protection laws.

10. Changes to This Privacy Policy

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 and updating the "Effective Date" at the top of this policy.

11. Contact Information

If you have any questions about this Privacy Policy or our privacy practices, please contact us:

Website: sleepcalculators.org

Email: [email protected]

We will respond to your inquiry within a reasonable timeframe.

12. Legal Basis for Processing (GDPR)

If you are located in the European Economic Area (EEA), our legal basis for processing your personal information includes:

This Privacy Policy was last updated on January 1, 2025. We encourage you to review this policy periodically for any changes.