Talk to us
Contact
We read every genuine message. Pick the topic that best matches your question — they all reach [email protected].
General & feedback
Calculator bugs, feature ideas, and general questions.
[email protected]
Content corrections
Spotted an error in our sleep science? Tell us the page and the detail.
[email protected]
Privacy requests
Privacy questions and data-rights requests.
[email protected]
What to include
For calculator problems, include the page URL, your device and browser, and a short description of what happened. For content corrections, point us to the exact claim and, if you have one, a source. Please do not send passwords, payment information, or sensitive identification documents.
Response times
We aim to answer ordinary messages within five business days. Privacy and legal requests may take longer when verification or additional information is required.