Terms of Service
Last updated: November 2025
Agreement to Terms
By accessing and using SleepCycleHub ("the Service"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, please do not use the Service.
Description of Service
SleepCycleHub provides free online sleep calculation tools, including:
- Sleep cycle calculator for optimal wake times
- Sleep needs calculator based on age
- Sleep duration validator
- Deep sleep and REM calculator
- Power nap timer
- Educational content about sleep science
All calculations are performed entirely in your web browser. We do not store your data on our servers.
Use of Service
You agree to use the Service only for lawful purposes and in accordance with these Terms. You agree NOT to:
- Use the Service in any way that violates any applicable law or regulation
- Attempt to interfere with, compromise, or disrupt the Service
- Use automated means to access the Service (bots, scrapers, etc.) without permission
- Reproduce, duplicate, or copy material from the Service for commercial purposes
Medical Disclaimer
Important: This Service is NOT Medical Advice
The sleep calculations and information provided by SleepCycleHub are for educational and informational purposes only. They are NOT intended to be a substitute for professional medical advice, diagnosis, or treatment.
You agree that:
- You will not rely on the Service for medical decisions
- You will consult a qualified healthcare professional for sleep disorders or concerns
- The Service's calculations are based on general sleep science and may not be suitable for everyone
- Individual sleep needs vary based on health, lifestyle, and other factors
"As-Is" Provision
The Service is provided "as-is" and "as available" without any warranties of any kind, either express or implied, including but not limited to:
- Warranties of accuracy, reliability, or completeness
- Warranties that the Service will be uninterrupted or error-free
- Warranties of fitness for a particular purpose
- Warranties that calculations will be correct or suitable for your needs
You use the Service at your own risk and discretion.
Limitation of Liability
To the fullest extent permitted by law, SleepCycleHub and its operators shall NOT be liable for any:
- Direct, indirect, incidental, or consequential damages
- Loss of sleep, health issues, or medical conditions
- Errors or inaccuracies in calculations
- Loss of data stored in your browser
- Service interruptions or unavailability
Your use of the Service is entirely at your own risk.
Intellectual Property
The Service, including its design, code, text, graphics, and functionality, is owned by SleepCycleHub and is protected by copyright, trademark, and other intellectual property laws.
You may use the Service for personal, non-commercial purposes. You may NOT:
- Copy, redistribute, or republish content without permission
- Create derivative works based on the Service
- Remove copyright or proprietary notices
Third-Party Links
The Service may contain links to third-party websites (including partner tools). We are not responsible for the content, privacy practices, or terms of service of these external sites. Your use of third-party websites is at your own risk.
Advertising
The Service displays advertisements through Google AdSense. We do not control the content of these ads. Advertisers and ad networks may collect data subject to their own privacy policies.
Changes to Terms
We reserve the right to modify these Terms at any time. Changes will be posted on this page with an updated "Last updated" date. Your continued use of the Service after changes constitutes acceptance of the new Terms.
Termination
We reserve the right to terminate or suspend your access to the Service at any time, without notice, for any reason, including violation of these Terms.
Governing Law
These Terms shall be governed by and construed in accordance with applicable laws, without regard to conflict of law principles.
Severability
If any provision of these Terms is found to be unenforceable or invalid, that provision shall be limited or eliminated to the minimum extent necessary, and the remaining provisions shall remain in full force.
Contact Information
If you have questions about these Terms, please contact us through the website.
By using SleepCycleHub, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service and our Privacy Policy.