Privacy Policy

    Last updated: January 6, 2026

    Introduction

    At Sleep Calculator ("we," "our," or "us"), we are committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website. Please read this privacy policy carefully. If you do not agree with the terms of this privacy policy, please do not access the site.

    Information We Collect

    Automatically Collected Information

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

    • Browser type and version
    • Operating system
    • Referring website addresses
    • Time and date of your visit
    • Pages you view on our site
    • Time spent on pages

    Calculator Usage

    Our sleep calculator operates entirely in your browser. The times you enter for calculating sleep schedules are processed locally on your device and are not transmitted to or stored on our servers. We do not collect or store any personal sleep data you enter into our calculator.

    Use of Cookies

    We may use cookies and similar tracking technologies to access or store information. Cookies are small files placed on your device that help us improve your experience, understand user behavior, and serve relevant content. You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent.

    Types of cookies we may use include:

    • Essential Cookies: Required for the website to function properly
    • Analytics Cookies: Help us understand how visitors interact with our website
    • Preference Cookies: Remember your settings and preferences

    Third-Party Services

    We may use third-party services that collect, monitor, and analyze website traffic. These services may include:

    • Google Analytics: Helps us understand website usage patterns
    • Content Delivery Networks: Improve website performance and security

    These third parties have their own privacy policies addressing how they use such information.

    Data Security

    We implement appropriate technical and organizational security measures to protect your information. However, please be aware that no method of transmission over the Internet or method of electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your information, we cannot guarantee its absolute security.

    Your Rights

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

    • The right to access information we hold about you
    • The right to request correction of inaccurate information
    • The right to request deletion of your information
    • The right to opt-out of certain data processing
    • The right to data portability

    Children's Privacy

    Our website is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us so that we can take appropriate action.

    Changes to This 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 "Last updated" date. You are advised to review this privacy policy periodically for any changes.

    Contact Us

    If you have questions or concerns about this privacy policy or our practices, please contact us through our Contact page.

    Sleep Calculator
    Made with for better sleep

    Disclaimer: This sleep calculator is for informational purposes only and should not be considered medical advice. Individual sleep needs vary, and if you experience persistent sleep problems, please consult a healthcare professional.

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