Terms of Service

By accessing and using our Sleep Calculator, you accept and agree to be bound by the terms and provision of this agreement. If you do not agree to abide by the above, please do not use this service.

Our Sleep Calculator is a free online tool designed to help users optimize their sleep schedules by:

• Calculating optimal bedtimes based on desired wake-up times
• Calculating optimal wake-up times based on planned sleep times
• Providing instant sleep schedule recommendations
• Offering educational content about sleep cycles and sleep hygiene

The service is based on scientific research about 90-minute sleep cycles and average sleep onset times.

IMPORTANT: This tool is for educational and informational purposes only.

• This calculator is NOT a substitute for professional medical advice, diagnosis, or treatment
• Individual sleep needs vary significantly between people
• Sleep disorders require professional medical evaluation and treatment
• Always consult with a qualified healthcare provider regarding sleep issues or concerns
• Do not disregard professional medical advice based on information from this tool

By using our Sleep Calculator, you agree to:

• Use the service for personal, non-commercial purposes only
• Not attempt to reverse engineer, modify, or distribute our algorithms
• Not use the service in any way that could damage, disable, or impair the website
• Understand that sleep recommendations are general guidelines, not personalized medical advice
• Take personal responsibility for your sleep health and seek professional help when needed

While we strive to provide accurate calculations based on sleep science:

• Calculations are based on average sleep cycle durations and may not apply to all individuals
• Results should be considered as general guidance, not precise prescriptions
• We make no guarantees about the effectiveness of suggested sleep schedules
• Individual factors like health conditions, medications, and lifestyle may affect sleep needs

To the fullest extent permitted by law:

• We shall not be liable for any direct, indirect, incidental, special, or consequential damages
• We do not warrant that the service will be uninterrupted or error-free
• We are not responsible for any health issues or sleep problems that may arise from using our recommendations
• Your use of the service is at your own risk and discretion

The Sleep Calculator, including its design, algorithms, content, and functionality, is owned by us and protected by copyright and other intellectual property laws. You may not:

• Copy, reproduce, or distribute the service or its content without permission
• Create derivative works based on our calculator
• Use our service for commercial purposes without explicit authorization
• Remove or alter any copyright notices or proprietary markings

Your privacy is important to us. Please review our Privacy Policy to understand how we collect, use, and protect your information. Key points:

• Sleep calculations are performed locally in your browser
• We do not store your personal sleep schedule data
• Anonymous usage analytics may be collected to improve the service
• No personal health information is transmitted to our servers

We strive to maintain continuous service availability, but:

• The service may be temporarily unavailable due to maintenance or technical issues
• We reserve the right to modify, suspend, or discontinue the service at any time
• We are not liable for any downtime or service interruptions

We reserve the right to modify these Terms of Service at any time. Changes will be effective immediately upon posting on this page. Your continued use of the service following any changes constitutes acceptance of those changes.