🏛️ 90 minute cycle estimate 📋 NSF 2015 guidelines 🔬 Published research cited ✅ Studies named in text
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Cookie Policy

This page explains how and why we use cookies.

What Are Cookies

Cookies are small text files stored on your device when you visit a website. They help websites remember your preferences and understand how you use the site.

Cookies We Use

1. Preference Cookies (Always Active)

We store your dark or light theme preference in your browser's local storage. This is essential for the website to remember your visual preference between visits. No personal data is transmitted.

2. Analytics Cookies (With Consent)

With your consent, we use Google Analytics to understand how visitors use our site in aggregate. This helps us improve content and tools. Google Analytics sets cookies including ga and gid. These cookies collect anonymised data about pages visited and time spent. They expire after 2 years.

3. Affiliate Tracking Cookies (Third Party)

When you click a product link in our Sleep Shop, third party affiliate platforms such as Amazon Associates may set tracking cookies on your device. These cookies track whether a purchase was made following your click. We earn a small commission if you purchase. These cookies are set by the affiliate platform, not by us.

4. Advertising Cookies (Google AdSense)

Ads on this site are served by Google AdSense. Google and its partners may set cookies or use similar technologies to show and measure ads, including ads based on your visits to this and other websites. See how Google uses cookies in advertising and manage personalised ads at adssettings.google.com.

How to Control Cookies

You can control cookies through your browser settings. Instructions for major browsers:

Disabling all cookies may affect website functionality including theme preference storage.

Contact

For cookie related questions: hello@bedtimesleepcalculator.com