Calculating Sleep

Calculate your optimal sleep time for refreshing mornings

Science-based sleep calculator to improve your sleep quality

Privacy Policy

Last Updated: October 15, 2023

At CalculatingSleep.com, 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 and use our sleep calculator tool. Please read this privacy policy carefully.

Information We Collect

Personal Data

While using our service, we may ask you to provide us with certain personally identifiable information that can be used to contact or identify you. This may include, but is not limited to:

  • Email address (if you choose to contact us)
  • Usage data
  • Cookies and usage data

Usage Data

We may collect information on how the service is accessed and used. This usage data may include:

  • Your computer's IP address
  • Browser type and version
  • Pages visited on our site
  • Time and date of your visit
  • Time spent on those pages
  • Other diagnostic data

Data from Sleep Calculator

When you use our sleep calculator tool, we do not store any of the information you input. The calculations are performed locally in your browser, and no sleep or wake-up times you enter are transmitted to our servers or stored in any database.

Tracking Technologies and Cookies

We use cookies and similar tracking technologies to track activity on our service and store certain information. Cookies are files with a small amount of data which may include an anonymous unique identifier.

You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some portions of our service.

We use cookies for the following purposes:

  • Essential Cookies: Necessary for the website to function properly
  • Analytics Cookies: To understand how visitors interact with our website
  • Preference Cookies: To remember your preferences and settings

How We Use Your Information

We use the collected data for various purposes:

  • To provide and maintain our service
  • To notify you about changes to our service
  • To allow you to participate in interactive features when you choose to do so
  • To provide customer support
  • To gather analysis or valuable information so we can improve our service
  • To monitor the usage of our service
  • To detect, prevent, and address technical issues

Data Sharing and Disclosure

Legal Requirements

We may disclose your personal data in the good faith belief that such action is necessary to:

  • Comply with a legal obligation
  • Protect and defend the rights or property of CalculatingSleep.com
  • Prevent or investigate possible wrongdoing in connection with the service
  • Protect the personal safety of users of the service or the public
  • Protect against legal liability

Third-Party Services

We may employ third-party companies and individuals to facilitate our service ("Service Providers"), to provide the service on our behalf, or to assist us in analyzing how our service is used.

These third parties have access to your personal data only to perform these tasks on our behalf and are obligated not to disclose or use it for any other purpose.

Data Security

The security of your data is important to us, but remember 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 personal data, we cannot guarantee its absolute security.

We implement the following security measures:

  • SSL encryption for data transmission
  • Regular security assessments
  • Limited access to personal data
  • Secure server infrastructure

Children's Privacy

Our service does not address anyone under the age of 13 ("Children").

We do not knowingly collect personally identifiable information from anyone under the age of 13. If you are a parent or guardian and you are aware that your child has provided us with personal data, please contact us. If we become aware that we have collected personal data from children without verification of parental consent, we take steps to remove that information from our servers.

Your Data Protection Rights

Depending on your location, you may have the following data protection rights:

  • The right to access: You have the right to request copies of your personal data.
  • The right to rectification: You have the right to request correction of any information you believe is inaccurate.
  • The right to erasure: You have the right to request that we erase your personal data.
  • The right to restrict processing: You have the right to request that we restrict the processing of your personal data.
  • The right to data portability: You have the right to request that we transfer the data we have collected to another organization, or directly to you.

If you make a request, we have one month to respond to you. Please contact us if you wish to exercise any of these rights.

Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page.

We will let you know via email and/or a prominent notice on our service, prior to the change becoming effective and update the "Last Updated" date at the top of this Privacy Policy.

You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

Contact Us

If you have any questions about this Privacy Policy, please contact us:

We typically respond within 24-48 hours.