Last Updated: October 10, 2025
Welcome to SleepTimesCalculator.com (“we,” “our,” “us”). These Terms and Conditions (“Terms”) govern your access to and use of our website, tools, applications, and services (collectively, the “Service”).
By accessing or using SleepTimesCalculator.com, you agree to comply with and be bound by these Terms. If you do not agree with any part of these Terms, you should not use our website or services.
1. Acceptance of Terms
By using SleepTimesCalculator.com, you confirm that you are at least 13 years old and capable of understanding and agreeing to these Terms. If you are under 18, you must use this website under the supervision of a parent or guardian.
Your continued use of the website signifies your acceptance of these Terms and any future updates.
2. Description of Service
SleepTimesCalculator.com provides free, science-based tools and educational content to help users calculate their ideal sleep and wake-up times.
Our services include, but are not limited to:
- Sleep calculator and sleep time calculator tools
- Nap calculator for short and long rest periods
- Sleep calculator by age and gender
- 90-minute sleep cycle calculator
- Articles and insights on sleep hygiene, sleep improvement, and sleep cycles
All tools and content are provided for informational and educational purposes only and do not constitute medical advice.
3. Medical Disclaimer
The information and tools provided on SleepTimesCalculator.com are not intended to diagnose, treat, cure, or prevent any disease or medical condition.
Always consult a qualified healthcare provider or sleep specialist before making changes to your sleep patterns, medication, or health routines.
Your use of our sleep calculator or related tools is entirely at your own discretion and risk.
For full details, please refer to our Disclaimer.
4. User Responsibilities
When using our website, you agree to:
- Use the site lawfully and ethically.
- Not attempt to hack, disrupt, or compromise the site’s functionality.
- Not copy, redistribute, or modify our code, content, or design without permission.
- Not use the sleep calculator or any tools for commercial resale or misleading claims.
You are solely responsible for any decisions made based on results generated by our tools.
5. Intellectual Property Rights
All content, features, design elements, code, text, graphics, and logos displayed on SleepTimesCalculator.com are the exclusive property of SleepTimesCalculator.com unless otherwise stated.
You may not reproduce, modify, distribute, or commercially exploit any part of the website without prior written consent.
Permitted use includes:
- Accessing and using our online sleep calculator for personal, non-commercial purposes.
- Sharing our public pages with proper attribution (i.e., link back to our website).
6. Accuracy and Limitations of Tools
While we strive for accuracy, the results from the sleep calculator, nap calculator, and sleep cycle calculator are approximations based on standard sleep science principles (e.g., the 90-minute cycle).
Your actual results may vary based on individual factors, including:
- Age, gender, health, and lifestyle
- Stress levels and environment
- Circadian rhythm differences
We make no guarantees about the completeness, reliability, or effectiveness of any calculations or suggestions provided.
7. External Links
Our website may include links to external websites, products, or services for informational purposes.
We are not responsible for the content, privacy policies, or practices of any third-party websites linked from SleepTimesCalculator.com. Visiting third-party links is done at your own risk.
8. Privacy Policy
Your privacy is important to us. Please read our Privacy Policy to understand how we collect, use, and protect your personal information.
By using this website, you also agree to our Privacy Policy.
9. Affiliate Disclosure
SleepTimesCalculator.com may participate in affiliate programs or display advertisements. This means that we may earn a small commission if you click on affiliate links or make purchases through them — at no extra cost to you.
We only recommend tools, products, or services that align with our mission to promote better sleep and wellness.
10. Limitation of Liability
Under no circumstances shall SleepTimesCalculator.com, its owners, affiliates, or partners be held liable for any loss or damage (including indirect, incidental, or consequential damages) resulting from:
- Use or inability to use our website or tools
- Reliance on any information provided by our sleep calculators
- Errors, interruptions, or inaccuracies in our content or calculations
You agree that your use of our Service is at your own risk.
11. Indemnification
You agree to indemnify and hold harmless SleepTimesCalculator.com and its affiliates from and against any claims, damages, liabilities, losses, costs, or expenses arising from your use of the website or violation of these Terms.
12. Termination of Use
We reserve the right to suspend or terminate your access to SleepTimesCalculator.com at any time, without notice, for conduct that we believe violates these Terms or is harmful to other users or the website.
13. Modifications to the Terms
We may update these Terms and Conditions periodically to reflect changes in our policies, features, or legal obligations.
Any updates will be posted on this page with a revised effective date. Continued use of the website after updates constitutes acceptance of the new Terms.
14. Governing Law
These Terms and Conditions are governed by and construed in accordance with the laws of the United States, without regard to conflict of law principles.
If you access this website from outside the U.S., you are responsible for compliance with local laws applicable to your region.
15. Contact Information
If you have any questions, feedback, or concerns regarding these Terms and Conditions, please contact us at:
📧 Email: support@sleeptimescalculator.com
🌐 Website: https://sleeptimescalculator.com