Terms of Service

Last updated: January 2026

Agreement

By using NightOwl Sleep Calc, you agree to these terms. If you don't agree, please don't use the site.

What This Service Is

NightOwl Sleep Calc is a free sleep cycle calculator that suggests bedtimes and wake times. It includes educational content about sleep and nap planning tools.

Medical Disclaimer

IMPORTANT: NightOwl Sleep Calc is an educational tool only and does not provide medical advice, diagnosis, or treatment. The information and calculations provided are for general informational purposes only.

You should not rely on this Service as a substitute for professional medical advice. Always consult a qualified healthcare provider if you have:

  • Persistent sleep difficulties
  • Symptoms of a sleep disorder
  • Health conditions that affect sleep
  • Questions about medications and sleep

Never disregard professional medical advice or delay seeking it because of something you have read on this website.

Acceptable Use

Use this site for personal, non-commercial purposes only. Don't attempt to disrupt the service, copy our content without permission, or use the site for anything illegal.

Advertising

We display ads through Google AdSense. We're not responsible for third-party ad content or the products they promote.

Disclaimer of Warranties

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED. We do not warrant that:

  • The Service will be uninterrupted or error-free
  • The results obtained from the Service will be accurate or reliable
  • The Service will meet your specific requirements

Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, NIGHTOWL SLEEP CALC SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO:

  • Loss of profits, data, or use
  • Personal injury or health consequences
  • Any damages arising from your use of or inability to use the Service

Changes

We may update these terms occasionally. Changes will be posted here with an updated date. Continued use means you accept the new terms.

Contact

Questions? Contact us.