Privacy Policy
Last updated: March 14, 2026
Sleep Caffeine (“we”, “us”, or “our”) operates sleepcaffeine.com (the “Site”). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website.
1. Information We Collect
Automatically Collected Information: When you visit our Site, we automatically collect certain information about your device, including your IP address, browser type, operating system, pages visited, time spent on pages, referring URL, and access times. This data helps us improve our content and user experience.
Calculator Data: Our sleep and caffeine calculators process inputs (such as bedtimes and caffeine intake) entirely in your browser. This data is not transmitted to our servers or stored by us.
2. Google Analytics
We use Google Analytics 4 (GA4), a web analytics service provided by Google LLC, to analyze website traffic and usage patterns. Google Analytics uses cookies and similar technologies to collect and analyze information about your use of our Site. This information is transmitted to and stored by Google on servers that may be located outside of your country.
Google may use the collected data to contextualize and personalize ads within its own advertising network. For more information on how Google uses your data, please visit Google’s Privacy Policy.
You can opt out of Google Analytics tracking by installing the Google Analytics Opt-out Browser Add-on.
3. Advertising
We use Google AdSense to display advertisements on our Site. 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 visits to our Site and/or other sites on the internet.
Third-party vendors, including Google, use cookies to serve ads based on your prior visits to our website or other websites. You may opt out of personalized advertising by visiting Google Ads Settings or www.aboutads.info.
4. Cookies
Cookies are small text files placed on your device when you visit a website. We use the following types of cookies:
- Essential Cookies: Required for basic site functionality, such as remembering your time format preference (12h/24h).
- Analytics Cookies: Used by Google Analytics to understand how visitors interact with our Site.
- Advertising Cookies: Used by Google AdSense to serve relevant advertisements and measure ad effectiveness.
You can control and manage cookies through your browser settings. Please note that disabling cookies may affect the functionality of our Site.
5. Your Rights Under GDPR
If you are located in the European Economic Area (EEA), you have certain data protection rights under the General Data Protection Regulation (GDPR). These include the right to:
- Access: Request a copy of the personal data we hold about you.
- Rectification: Request correction of inaccurate personal data.
- Erasure: Request deletion of your personal data under certain circumstances.
- Restriction: Request that we limit the processing of your personal data.
- Data Portability: Request a copy of your data in a machine-readable format.
- Objection: Object to our processing of your personal data for certain purposes.
To exercise any of these rights, please contact us at hello@sleepcaffeine.com. We will respond to your request within 30 days.
6. Data Retention
We retain analytics data for a period of 14 months. Cookie data is retained according to the expiration dates set by the respective cookie providers. We do not store personal data beyond what is collected through analytics and advertising services.
7. Third-Party Links
Our Site may contain links to third-party websites. We are not responsible for the privacy practices or content of these external sites. We encourage you to review the privacy policies of any third-party sites you visit.
8. Children’s Privacy
Our Site is not directed to children under the age of 16. We do not knowingly collect personal information from children. If you believe a child has provided us with personal data, please contact us so we can take appropriate action.
9. Changes to This Policy
We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated “Last updated” date. We encourage you to review this page periodically.
10. Contact Us
If you have any questions or concerns about this Privacy Policy or your personal data, please contact us at:
- Email: hello@sleepcaffeine.com
- Website: sleepcaffeine.com/contact