Terms of Service

Effective Date: March 1, 2025

Welcome to Sleep Cycle Optimizer ("Best Bedtime Calculator"), a free web-based sleep cycle calculator available at best-bedtime-calculator.vercel.app (the "Website"). These Terms of Service ("Terms") govern your access to and use of the Website, its features, content, and any related services (collectively, the "Service"). By accessing or using the Service, you agree to be bound by these Terms. If you do not agree to all of the Terms, you must not use the Service.

1. Acceptance of Terms

By visiting, browsing, or otherwise using the Service, you acknowledge that you have read, understood, and agree to be bound by these Terms, as well as our Privacy Policy, which is incorporated herein by reference. We reserve the right to update or modify these Terms at any time without prior notice. Your continued use of the Service after any such changes constitutes your acceptance of the revised Terms. It is your responsibility to review these Terms periodically for updates.

2. Description of Service

Sleep Cycle Optimizer is a free, web-based sleep cycle calculator designed to help users determine optimal bedtimes and wake-up times based on commonly accepted 90-minute sleep cycle models. The Service provides suggested sleep and wake times, cycle-count information, and general educational content related to sleep hygiene and wellness.

Key characteristics of the Service include:

• The Service is provided entirely free of charge with no premium tiers or paid subscriptions.
• No user account or registration is required to access or use the calculator.
• The Service is accessible via modern web browsers on desktop and mobile devices.
• Calculations are performed client-side within your browser; no personal sleep data is transmitted to our servers for the core calculation functionality.

3. Use of the Service

3.1 General Wellness Information Only

The information and recommendations provided by the Service are intended for general wellness and informational purposes only. The Service does not constitute medical advice, diagnosis, or treatment. Sleep cycle calculations are based on generalized models of human sleep architecture and may not accurately reflect your individual sleep patterns, medical conditions, or specific health needs.

3.2 Consult a Healthcare Professional

If you suffer from insomnia, sleep apnea, restless leg syndrome, narcolepsy, or any other sleep disorder, or if you have concerns about your sleep health, you should consult a qualified healthcare professional, sleep specialist, or licensed physician. Never disregard professional medical advice or delay seeking it because of information obtained through the Service.

3.3 Age Requirement

You must be at least 13 years of age to use the Service. By using the Service, you represent and warrant that you are at least 13 years old. If you are under the age of 18, you should review these Terms with a parent or guardian to ensure they understand and agree to them. We do not knowingly collect personal information from children under 13 years of age.

4. Intellectual Property

All content, materials, features, and functionality available through the Service -- including but not limited to text, graphics, logos, icons, images, audio clips, digital downloads, data compilations, software, design elements, page layouts, color schemes, and underlying source code -- are the exclusive property of Sleep Cycle Optimizer or its licensors and are protected by international copyright, trademark, patent, trade secret, and other intellectual property laws.

You are granted a limited, non-exclusive, non-transferable, revocable license to access and use the Service for personal, non-commercial purposes. This license does not include the right to:

• Reproduce, distribute, or publicly display any portion of the Service beyond what is necessary for personal use.
• Modify, create derivative works from, or reverse-assemble any content or source code associated with the Service.
• Use any Sleep Cycle Optimizer trademarks, logos, or branding without prior written consent.
• Frame, mirror, or otherwise incorporate any part of the Service into another website or application.

5. User Conduct

When using the Service, you agree not to engage in any of the following prohibited activities:

• Scraping and data extraction: You may not use automated tools, bots, crawlers, or scrapers to extract, harvest, or collect data or content from the Service without our express written permission.
• Reverse engineering: You may not decompile, disassemble, reverse-engineer, or attempt to derive the source code of any software or proprietary algorithms used by the Service, except to the extent expressly permitted by applicable law.
• Automated access: You may not use any automated system, including scripts, bots, or macros, to access the Service in a manner that sends more requests to the server than a human could reasonably produce in the same time period using a standard web browser.
• Interference: You may not attempt to interfere with, disrupt, or place an undue burden on the Service or its infrastructure, including the servers and networks connected to the Service.
• Unauthorized use: You may not use the Service for any illegal, fraudulent, or unauthorized purpose, or in violation of any applicable local, state, national, or international law or regulation.
• Impersonation: You may not impersonate or misrepresent your affiliation with any person or entity in connection with the Service.

6. Disclaimer of Warranties

THE SERVICE IS PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS, IMPLIED, OR STATUTORY. TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, SLEEP CYCLE OPTIMIZER DISCLAIMS ALL WARRANTIES, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, AND ACCURACY.

Without limiting the foregoing, we do not warrant or guarantee that:

• The Service will be uninterrupted, timely, secure, or error-free.
• The results or calculations provided by the Service will be accurate, reliable, or suitable for any particular purpose.
• Any defects or errors in the Service will be corrected.
• The Service will be free of viruses, malware, or other harmful components.

You acknowledge and agree that your use of the Service is at your sole risk. Any reliance you place on the sleep calculations, recommendations, or other information provided through the Service is strictly at your own discretion and risk.

7. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL SLEEP CYCLE OPTIMIZER, ITS OPERATORS, AFFILIATES, LICENSORS, OR SERVICE PROVIDERS BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS, DATA, USE, GOODWILL, OR OTHER INTANGIBLE LOSSES, ARISING OUT OF OR IN CONNECTION WITH:

• Your access to, use of, or inability to use the Service.
• Any conduct or content of any third party on or related to the Service.
• Any content obtained from the Service, including any reliance on sleep-related calculations or recommendations.
• Unauthorized access, use, or alteration of your transmissions or content.

In jurisdictions that do not allow the exclusion or limitation of liability for consequential or incidental damages, our liability shall be limited to the greatest extent permitted by law. In no event shall our total aggregate liability exceed one hundred US dollars (USD $100.00).

8. Third-Party Services

The Service integrates with and relies upon certain third-party services to support its operations, enhance user experience, and sustain the free availability of the tool. These third-party services include, but are not limited to:

• Advertising networks: We use advertising services, including Google AdSense and Adsterra, to display advertisements on the Service. These advertising partners may use cookies, web beacons, and similar tracking technologies to serve ads based on your browsing activity. Each advertising partner operates under its own privacy policy and terms of service, which we encourage you to review.
• Analytics services: We use analytics tools to collect anonymized usage data to understand how visitors interact with the Service, identify areas for improvement, and measure performance. This data may include page views, session duration, browser type, and device information.
• Data collection via Google Sheets: We may collect anonymous, aggregated data (such as selected sleep and wake times) through Google Sheets integrations for the purpose of improving the Service and understanding general usage patterns. No personally identifiable information is intentionally collected through this mechanism.

Sleep Cycle Optimizer is not responsible for the practices, content, or policies of any third-party services. Your interactions with third-party services are governed solely by their respective terms and policies.

9. Modifications to Terms

We reserve the right to revise, amend, or update these Terms at any time and at our sole discretion. When we make material changes, we will update the "Effective Date" at the top of this page. We may also, at our discretion, notify users of significant changes through a notice on the Website. Your continued use of the Service following the posting of revised Terms constitutes your acceptance of such changes. If you do not agree to the modified Terms, you must discontinue your use of the Service immediately.

10. Governing Law

These Terms shall be governed by and construed in accordance with the laws of the United States, without regard to its conflict of law provisions. Any disputes arising out of or relating to these Terms or the Service shall be resolved in the competent courts of the applicable jurisdiction. You agree to submit to the personal jurisdiction of such courts and waive any objections based on venue or inconvenient forum.

If any provision of these Terms is found to be unenforceable or invalid by a court of competent jurisdiction, that provision shall be limited or eliminated to the minimum extent necessary so that the remaining provisions of these Terms shall remain in full force and effect.

11. Contact Information

If you have any questions, concerns, or feedback regarding these Terms of Service, please contact us at:

• Email: contact@best-bedtime-calculator.vercel.app
• Website: best-bedtime-calculator.vercel.app

We will make reasonable efforts to respond to all legitimate inquiries in a timely manner.