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We'd love to hear from you, whether it's a question about our tools, a correction, or an idea for a guide.
We can't give medical advice
We're an education site and can't respond to questions about your personal health, diagnoses, or medications. Please contact your doctor or another qualified professional.
In an emergency, call 911. If you are in crisis or thinking about harming yourself, call or text 988 (U.S.). Veterans can dial 988 and press 1.
Before you write
- Questions about where diary data is stored? See the Sleep Diary guide and our privacy policy. (Short answer: only on your device.)
- Common questions are answered on our FAQ page.
- For corrections, please include the page link and the source you're citing.