Last updated: February 2026
By accessing or using Sleep Smarter (sleepsmarter.io), you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use our service.
Sleep Smarter provides a free sleep calculator tool that helps users calculate optimal bedtimes and wake-up times based on sleep cycle science. We also provide educational content about sleep health.
Not Medical Advice: The information and tools provided on Sleep Smarter are for educational and informational purposes only. They are not intended to be a substitute for professional medical advice, diagnosis, or treatment.
Individual Variation: Sleep needs vary from person to person. Our calculator uses average values (90-minute cycles, 14-minute fall-asleep time) that may not perfectly match your individual sleep patterns.
No Guarantees: We do not guarantee that using our calculator will improve your sleep quality. Results may vary.
All content on Sleep Smarter, including text, graphics, logos, and software, is our property or the property of our licensors and is protected by copyright and other intellectual property laws.
To the fullest extent permitted by law, Sleep Smarter shall not be liable for any indirect, incidental, special, consequential, or punitive damages arising out of or related to your use of our service.
We reserve the right to modify these Terms of Service at any time. Changes will be effective immediately upon posting to this page.
If you have questions about these Terms of Service, please contact us at legal@sleepsmarter.io.