Caffeine guides: editorial policy and sources
Clarity publishes practical information about caffeine tracking, timing and sleep. Clarity is a product brand owned by Nexus Nexus Ltd, and these pages can link to our own app.
Who is responsible for these pages?
The publisher is Nexus Nexus Ltd, the company behind Clarity. Learn about the product on our About page and its founder on Our Story. A Clarity byline identifies the publisher; it is not a claim that an article has been written or reviewed by a clinician.
Sources and uncertainty
Research-based guides link to the studies or authoritative guidance behind material claims. We distinguish study findings from illustrative calculations and practical logging suggestions. A result in a study population does not establish the effect on every reader.
Our educational pages are not individual medical advice. A scientific reference does not imply that its authors or institution endorse Clarity. Product features and public calculator assumptions are described separately from clinical evidence.
Dates and updates
Pages show a publication or update date when that information is available. An update date describes an editorial change; it does not mean a study was conducted on that date. We do not invent original publication dates for older pages.
Original examples and calculations
Numerical examples labelled as hypothetical or modelled are calculations, not observations from app users. The calculator methodology documents the formula and its limits. No clinical validation or independent expert review is implied unless explicitly documented.
Commercial context
Clarity benefits when readers choose its app. Guides should still answer the reader's question without requiring a purchase. Partner logos describe workshop clients, not scientific endorsements or evidence of app effectiveness.
Report an error
Please contact us with a link to the page, the statement in question and any supporting source. Clear, specific corrections help us improve the material.