Terms of Service – Sleep Calculator | Legal Agreement

Terms of Service

Please read these Terms of Service carefully before using SleepCalculator and services. By accessing or using our services, you agree to be bound by these terms. SleepCalculator and services. By accessing or using our services, you agree to be bound by these terms.

and services. By accessing or using our services, you agree to be bound by these terms.

Last Updated: December 15, 2025

Important Notice

By accessing or using Sleep Calculator’s services, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service. If you do not agree with any part of these terms, you must not use our services.

These terms contain important information about your legal rights, remedies, and obligations.

1

Acceptance of Terms

These Terms of Service (“Terms”) constitute a legally binding agreement between you (“User,” “you,” or “your”) and Sleep Calculator (“Company,” “we,” “us,” or “our”) governing your access to and use of the sleepcalculator.com website and associated services (collectively, the “Services”).

Binding Agreement: By accessing, browsing, or using our Services, you acknowledge that you have read, understood, and agree to be bound by these Terms. If you do not agree to these Terms, you must not access or use our Services.

Eligibility Requirements

To use our Services, you must:

  • Be at least 13 years of age (or the age of digital consent in your jurisdiction)
  • Have the legal capacity to enter into binding contracts
  • Not be barred from receiving services under applicable laws
  • Use the Services only for lawful purposes

If you are accessing our Services on behalf of an organization, you represent and warrant that you have authority to bind that organization to these Terms.

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Service Description

Sleep Calculator provides sleep science-based tools and information through our website and related platforms. Our Services include:

Core Services

  • Sleep Cycle Calculator: Tools to calculate optimal sleep and wake times based on sleep science principles
  • Sleep Science Information: Educational content about sleep cycles, REM sleep, and sleep health
  • Sleep Recommendations: General guidelines for improving sleep quality
  • Age-Based Sleep Guides: Sleep duration recommendations by age group
Service Limitations
Our Services are provided for informational purposes only. We do not provide medical services, diagnoses, or treatment recommendations. All sleep calculations are based on general sleep science principles and may not account for individual health conditions or circumstances.
Service Modifications
We reserve the right to modify, suspend, or discontinue any part of our Services at any time without prior notice. We are not liable to you or any third party for any modification, suspension, or discontinuance of our Services.
Free Service
Our basic Services are provided free of charge. We may introduce premium features in the future, which will be subject to separate terms and pricing.
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Medical Disclaimer

Important Medical Notice: Sleep Calculator is an informational tool only and is not a substitute for professional medical advice, diagnosis, or treatment.

No Medical Advice

The information provided through our Services:

  • Is for general informational purposes only
  • Is not intended as medical advice
  • Should not be relied upon for medical decisions
  • Does not create a doctor-patient relationship
  • Is not a substitute for professional medical consultation

Medical Emergencies

If you believe you may have a medical emergency:

  1. Call your doctor or emergency services immediately
  2. Do not rely on our Services for emergency medical advice
  3. Seek immediate medical attention for urgent health concerns

Always Consult Professionals: Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay seeking it because of information obtained through our Services.

4

User Responsibilities

As a user of our Services, you agree to:

Permitted Uses

  • Use our Services only for lawful purposes
  • Provide accurate information when using our tools
  • Maintain the confidentiality of your account credentials (if applicable)
  • Comply with all applicable laws and regulations
  • Use our Services in a manner that does not infringe on others’ rights

Prohibited Conduct

You agree not to:

  • Use our Services for any illegal or unauthorized purpose
  • Attempt to gain unauthorized access to our systems or networks
  • Interfere with or disrupt the integrity or performance of our Services
  • Use automated systems (bots, scrapers, etc.) to access our Services
  • Reverse engineer, decompile, or disassemble any part of our Services
  • Impersonate any person or entity or misrepresent your affiliation
  • Upload or transmit viruses or any malicious code
  • Collect or harvest any information from our Services

Account Security: You are responsible for maintaining the confidentiality of any account credentials and for all activities that occur under your account. You must immediately notify us of any unauthorized use of your account or any other breach of security.

5

Intellectual Property

All intellectual property rights in our Services are owned by or licensed to Sleep Calculator.

Our Rights

Sleep Calculator retains all right, title, and interest in and to:

  • The sleepcalculator.com website and domain name
  • Our sleep calculation algorithms and methodologies
  • All content, text, graphics, logos, and software
  • All trademarks, service marks, and trade names
  • All proprietary technology and know-how

Limited License

We grant you a limited, non-exclusive, non-transferable, revocable license to:

  • Access and use our Services for personal, non-commercial purposes
  • View and print content for personal reference
  • Share sleep calculation results for personal use

Restrictions: You may not copy, modify, distribute, sell, or lease any part of our Services or included software, nor may you reverse engineer or attempt to extract the source code of that software, unless laws prohibit these restrictions or you have our written permission.

User Content

If you submit feedback, suggestions, or other content to us:

  • You grant us a worldwide, perpetual, royalty-free license to use such content
  • You represent that you have the right to grant this license
  • You acknowledge that we may use such content without obligation to you
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Privacy Policy

Your privacy is important to us. Our Privacy Policy explains how we collect, use, and protect your information.

Incorporation by Reference

Our Privacy Policy is incorporated into these Terms by reference. By using our Services, you consent to the collection and use of information as described in our Privacy Policy.

Key Privacy Principles

  • We collect minimal information necessary to provide our Services
  • Sleep calculation data is processed locally when possible
  • We do not sell your personal information to third parties
  • We implement security measures to protect your data
  • You have rights regarding your personal information

Data Protection: We comply with applicable data protection laws, including GDPR for users in the European Economic Area. For detailed information about our data practices, please review our full Privacy Policy.

You can access our complete Privacy Policy at sleepcyclecalculator.com/privacy-policy.

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Limitations of Service

Our Services have certain limitations that users should understand:

Service Availability

  • We do not guarantee uninterrupted or error-free service
  • Services may be unavailable due to maintenance or technical issues
  • We may impose limits on certain features or restrict access
  • Services may not be available in all geographic locations

Accuracy Limitations

  • Sleep calculations are based on general sleep science principles
  • Individual results may vary based on numerous factors
  • We do not guarantee the accuracy of sleep recommendations
  • Sleep needs can vary based on health conditions and lifestyle

No Real-Time Monitoring: Our Services do not provide real-time sleep monitoring or analysis. We provide general sleep recommendations based on the information you input. For sleep disorder diagnosis or treatment, consult a healthcare professional.

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Disclaimer of Warranties

No Warranties: Our Services are provided “as is” and “as available” without warranties of any kind, either express or implied.

Specific Disclaimers

To the fullest extent permitted by law, we disclaim all warranties, including but not limited to:

  • Warranties of merchantability
  • Fitness for a particular purpose
  • Non-infringement of intellectual property
  • Accuracy, reliability, or completeness of content
  • Uninterrupted or error-free operation
  • Security of information transmission

No Medical Warranties

We specifically disclaim any warranties related to medical advice or treatment, including:

  • Accuracy of sleep recommendations for specific individuals
  • Effectiveness of sleep improvement suggestions
  • Suitability of sleep schedules for medical conditions
  • Safety of following sleep recommendations

Jurisdictional Limitations: Some jurisdictions do not allow the exclusion of implied warranties, so the above exclusions may not apply to you. You may have other rights that vary from jurisdiction to jurisdiction.

9

Limitation of Liability

Important Liability Limitation: To the maximum extent permitted by applicable law, Sleep Calculator shall not be liable for any indirect, incidental, special, consequential, or punitive damages arising from your use of our Services.

Scope of Limitation

Our liability is limited as follows:

  • We are not liable for any health-related consequences from using our Services
  • We are not liable for loss of data, profits, or business opportunities
  • We are not liable for damages resulting from service interruptions
  • We are not liable for third-party content or services
  • Our total liability shall not exceed $100 USD

Exclusions

These limitations do not apply to:

  • Death or personal injury caused by our negligence
  • Fraud or fraudulent misrepresentation
  • Any liability that cannot be excluded by law

Your Responsibility: You acknowledge and agree that the limitations of liability set forth in these Terms are fundamental elements of the basis of the bargain between you and Sleep Calculator. Our Services would not be provided without such limitations.

10

Indemnification

You agree to defend, indemnify, and hold harmless Sleep Calculator and its affiliates, officers, directors, employees, and agents from any claims, liabilities, damages, losses, and expenses arising from:

Covered Claims

  • Your use of or access to our Services
  • Your violation of these Terms
  • Your violation of any third-party right
  • Any content you submit to our Services
  • Your conduct in connection with our Services

Indemnification Process

We reserve the right to:

  • Assume exclusive defense and control of any matter subject to indemnification
  • Require your cooperation in our defense
  • Approve any settlement, which approval shall not be unreasonably withheld

Legal Costs: This indemnification obligation includes payment of all reasonable attorneys’ fees and other costs incurred by us in connection with any claim or demand. Your indemnification obligation will survive the termination of these Terms and your use of our Services.

11

Termination

These Terms remain in effect while you use our Services. We may terminate or suspend your access to our Services at any time, with or without cause, with or without notice.

Our Rights

We may terminate your access if:

  • You violate these Terms
  • We suspect fraudulent or illegal activity
  • Required by law or regulatory authority
  • We discontinue the Services
  • For any other reason at our sole discretion

Effect of Termination

Upon termination:

  • Your right to use our Services immediately ceases
  • We may delete or deactivate your account and information
  • Provisions that should survive termination will remain in effect
  • You remain responsible for any obligations incurred before termination

Survival: The following provisions will survive termination of these Terms: Intellectual Property, Disclaimer of Warranties, Limitation of Liability, Indemnification, Governing Law, Dispute Resolution, and any other provisions that by their nature should survive.

12

Governing Law

These Terms shall be governed by and construed in accordance with the laws of the State of California, United States, without regard to its conflict of law provisions.

Jurisdiction

You agree that any legal action or proceeding shall be brought exclusively in the state or federal courts located in San Francisco County, California, and you hereby consent to the personal jurisdiction of such courts.

International Users

If you access our Services from outside the United States:

  • You are responsible for compliance with local laws
  • You consent to having your data transferred to and processed in the United States
  • You acknowledge that United States laws may not provide the same level of protection as your home country

Export Controls: Our Services may be subject to United States export controls. You may not use our Services in violation of United States export laws and regulations or if you are located in a country subject to United States embargo.

13

Dispute Resolution

We prefer to resolve disputes informally and efficiently. Most concerns can be resolved by contacting our support team.

Informal Resolution

Before filing any claim, you agree to:

  1. Contact us at support@sleepcalculator.com with a detailed description of your concern
  2. Allow 60 days for us to investigate and attempt to resolve the dispute
  3. Participate in good faith in the resolution process

Binding Arbitration

If informal resolution fails, any dispute shall be resolved by binding arbitration in San Francisco, California, in accordance with the rules of the American Arbitration Association.

Class Action Waiver: You agree to resolve disputes on an individual basis and waive any right to participate in class actions, class arbitrations, or representative actions.

Exceptions

Notwithstanding the above, either party may bring claims:

  • In small claims court if the claim qualifies
  • To seek injunctive relief for intellectual property infringement
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Modifications to Terms

We reserve the right to modify these Terms at any time. We will provide notice of material changes as required by law.

Notification

We may notify you of changes by:

  • Posting the revised Terms on our website
  • Sending an email to registered users
  • Displaying a notice on our Services
  • Updating the “Last Updated” date

Your Acceptance

Your continued use of our Services after changes become effective constitutes acceptance of the revised Terms. If you do not agree to the changes, you must stop using our Services.

Review Terms: We encourage you to periodically review these Terms to stay informed about our policies. Previous versions of these Terms will be available upon request.

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Miscellaneous Provisions

Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and Sleep Calculator regarding our Services and supersede all prior agreements.

Severability

If any provision of these Terms is found to be unenforceable, the remaining provisions will remain in full force and effect.

No Waiver

Our failure to enforce any right or provision of these Terms will not be considered a waiver of those rights.

Assignment

You may not assign or transfer these Terms without our prior written consent. We may assign these Terms without restriction.

Force Majeure

We are not liable for any failure to perform due to causes beyond our reasonable control.

English Language: These Terms were written in English. To the extent any translated version conflicts with the English version, the English version controls.

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Contact Information

If you have questions about these Terms or our Services:

Contact Details

  • Email: legal@sleepcyclecalculator.com
  • Mail: Sleep Calculator Legal Department, 123 Sleep Science Way, San Francisco, CA 94107
  • Phone: +1 (555) 123-4567 (ask for Legal Department)

Response Time

We aim to respond to all legal inquiries within 7 business days. For urgent matters, please indicate “URGENT” in your communication.

Customer Support: For general questions about using our Services, please contact our support team at support@sleepcyclecalculator.com for faster assistance.

Questions About Our Terms?

If you have questions about these Terms of Service or need clarification about any provisions, our legal team is available to help. We’re committed to transparency and ensuring you understand our policies.

Contact Legal Team