Last updated: October 8, 2026
By using sleepbrief.com you agree to these terms. If you don’t agree, please don’t use the site.
Medical disclaimer
Everything on Sleep Brief, including articles, calculators and evidence grades, is general educational information. It isn’t medical advice and isn’t a substitute for diagnosis or treatment by a qualified health professional. Don’t ignore professional advice or delay seeking it because of something you read here.
Talk to a doctor or pharmacist before starting any supplement, especially if you’re pregnant or breastfeeding, take prescription medicine, have a health condition, or are giving it to a child. If you think you have a medical emergency, call your local emergency number.
Calculators
Our tools use simplified, published averages (for example, sleep cycles of about 90 minutes or a typical caffeine half-life). Your body may differ. Treat the results as estimates.
Accuracy
We work hard to keep information accurate and current, and we link our sources. Research changes, though, and we can’t promise every page is complete or error-free. If you find a mistake, please tell us.
Affiliate links
Some links are affiliate links, which means we may earn a commission if you buy. We’re not the seller of any product we mention; purchases are between you and the retailer, under their terms. Product details and prices can change, so check them with the retailer before you buy.
Use of our content
The text, illustrations and tools on this site belong to Sleep Brief. You’re welcome to link to any page and to quote short passages with a link back. Please don’t republish whole articles or images without permission.
External links
We link to other websites, mainly research sources and retailers. We don’t control them and aren’t responsible for their content or policies.
Limitation of liability
To the fullest extent allowed by law, Sleep Brief isn’t liable for any loss or harm arising from your use of the site or reliance on its content.
Changes
We may update these terms. The date at the top shows the latest version.
Contact
Questions about these terms: hello@sleepbrief.com.