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Privacy policy

What information is involved when you read our guides, contact us or follow a product link.

Last updated: September 26, 2026

On this page

  • Who this policy covers
  • Information involved in using these pages
  • How information is used
  • Service providers and external links
  • Cookies and analytics
  • Retention and security
  • Your choices and privacy requests
  • Children
  • Changes and contact

Who this policy covers

Sleep Guidebook is an affiliate product information website. This policy covers our Yu Sleep guide and the related information pages at sleepguidebook.com/yusleep/. It does not govern external sellers, marketplaces or other services you visit from our links.

For privacy questions or requests, contact the Sleep Guidebook publisher at [email protected].

Information involved in using these pages

  • Messages you send: if you email us, your email address, the contents of your message and any details you choose to include are processed to handle that correspondence.
  • Technical requests: delivering and protecting a website involves processing network and request information. Hosting and security providers may process information such as IP addresses, requested URLs, browser details and request times.
  • Visit and performance statistics: Cloudflare Web Analytics provides information about website visits and page performance.
  • Visit and product-link attribution: the three Yu Sleep guide entry pages use MaxConv through track.sleepguidebook.com to measure visits, product-link clicks and affiliate referrals. This service may process network and request information, IP addresses, browser and device information (including browser-provided client hints), referring pages, and campaign or referral identifiers. Cookies or browser storage may be used to match a visit with a product-link click.
  • Google Ads measurement: the Yu Sleep guide pages use a Google Ads base tag for advertising measurement and attribution. Google may process page visits, network and request information, IP addresses, browser or device information, and advertising or referral identifiers. The tag may use cookies or similar technologies.

The related legal and website information pages do not load MaxConv or Google Ads tracking tags. These guide pages have no registration, contact form, shopping cart or payment fields. Please do not email payment-card details, passwords, identity documents or sensitive health information.

How information is used

Information is used to deliver and secure the site, understand page performance, measure guide visits and product-link clicks, attribute affiliate referrals, measure advertising visits, respond to questions, handle correction and privacy requests, and address misuse or legal obligations. A recorded visit or product-link click does not by itself establish that a purchase occurred. We do not use the information collected through these pages to build health profiles. This implementation does not configure product-link clicks or purchases as Google Ads conversion events.

Service providers and external links

Website hosting, network security, performance measurement, affiliate attribution and email services may process information to provide those functions. The site uses Cloudflare. See Cloudflare’s privacy policy for its processing practices. MaxConv provides visit and product-link tracking through our track.sleepguidebook.com subdomain. Google also processes advertising measurement data; see Google’s privacy policy.

Offer links use MaxConv tracking. Depending on the tracking configuration, a link may pass through track.sleepguidebook.com/click or open a tagged seller URL while the script records the click. This associates the click with a visit or referral. If you continue to an external seller or marketplace, that service receives your visit and handles its own cookies, attribution, orders and privacy practices. Read that service’s privacy notice before giving it information.

We may disclose information where reasonably necessary to meet a legal obligation or protect the site and its users.

Cookies and analytics

The MaxConv tracking used on the three guide entry pages may use cookies or browser storage to match visits, product-link clicks and affiliate referrals. We do not state fixed cookie names or lifetimes here because those depend on the tracking service and its configuration.

The guide pages use a Google Ads base tag that may use cookies or similar technologies for advertising measurement and attribution. This tag is not described as cookie-free.

According to Cloudflare, its Web Analytics service does not use cookies, local storage or fingerprinting to track individual visitors. This statement is specific to that analytics service; it does not describe MaxConv tracking, the Google Ads tag, or Cloudflare security features, which may use cookies when active.

See our Cookie Policy for the distinction between these services and cookies used by an external seller. Images and fonts used by these guide pages are served from this website.

Retention and security

We keep correspondence for as long as reasonably needed to address the inquiry and related operational or legal requirements. Technical records handled by service providers are subject to their service settings and retention practices. Retention therefore depends on the type and purpose of the record.

The published site uses HTTPS. No method of online transmission or storage can be guaranteed completely secure. Contact us if you believe information you sent to us needs correction or removal.

Your choices and privacy requests

You can browse these pages without creating an account, decide whether to follow external links and manage site data through your browser. These pages do not change their behavior in response to a browser Do Not Track signal.

Depending on where you live and which laws apply, you may have rights to access, correct or delete personal information, or to appeal a decision about a privacy request. Send your request to [email protected], describe what you want us to address and identify the email address used to contact us. We may need to verify that a request relates to you; do not send sensitive identity documents unless a specific, necessary verification method has been agreed.

If a request concerns an order, payment or account held by an external seller, contact that seller directly because we do not operate its systems.

Children

Our guides are intended for adult readers, not children under 13. We do not knowingly solicit personal information from children under 13. If you believe a child has sent us personal information, contact us so we can review and address it.

Changes and contact

We will revise this policy when our practices change and update the date shown on this page. The version that applies to new data collection will describe the practices in use at that time.

Privacy contact: [email protected]. You can also see our Contact page.

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