Privacy Policy
Information We Collect
Our Bedtime Calculator is designed with privacy in mind. We collect minimal information to provide you with the best sleep optimization experience:
- Sleep Time Preferences: The wake-up times, sleep durations, and other inputs you enter are processed locally in your browser and are not stored on our servers. Saved presets and history are stored in your browser's localStorage.
- Usage Analytics: We may collect anonymous usage statistics (e.g., page views, feature usage, calculator types used) to improve our service. This data is aggregated and does not personally identify you.
- Technical Information: Basic technical data like browser type, device information, and IP address for security, debugging, and optimization purposes.
How We Use Your Information
- To provide accurate sleep cycle calculations directly within your browser.
- To improve our calculator's functionality, user experience, and feature set.
- To ensure the security and proper functioning of our website.
- To analyze usage patterns to enhance our services and understand user needs.
Data Storage and Security
Your sleep time calculations are processed entirely in your browser. Any preferences or history you choose to save are stored in your browser's local storage and are not transmitted to or stored on our servers. We implement industry-standard security measures to protect any anonymous data we do collect for analytics.
Cookies and Tracking
We may use cookies for essential website functionality and anonymous analytics. You can control cookie settings through your browser preferences. We do not use tracking cookies for advertising purposes.
Third-Party Services
We may use third-party analytics services (e.g., Vercel Analytics) to help us understand how our calculator is used. These services have their own privacy policies and data handling practices.
Terms of Service
Acceptance of Terms
By accessing and using the Bedtime Calculator, available at BedtimeCalculators.com, you accept and agree to be bound by the terms and provision of this agreement.
Intended Audience
Target Audience:
This service is designed for adults and the general public seeking to understand and optimize their sleep schedules. The sleep calculations and recommendations are based on general sleep science principles suitable for healthy adults. It is not intended for use by children without parental guidance.
Use License
Permission is granted to temporarily use the Bedtime Calculator for personal, non-commercial transitory viewing only. This is the grant of a license, not a transfer of title, and under this license you may not:
- Modify or copy the materials or underlying code;
- Use the materials for any commercial purpose, or for any public display (commercial or non-commercial) without prior written permission;
- Attempt to decompile or reverse engineer any software contained on the website;
- Remove any copyright or other proprietary notations from the materials; or
- Transfer the materials to another person or "mirror" the materials on any other server.
This license shall automatically terminate if you violate any of these restrictions and may be terminated by BedtimeCalculators.com at any time.
Medical Disclaimer
Important Health Notice:
The Bedtime Calculator provides general guidance based on sleep science research. It is not intended as medical advice, diagnosis, or treatment. Individual sleep needs vary significantly based on health conditions, lifestyle, medications, and other factors.
When to Consult a Healthcare Professional:
- If you have persistent sleep issues, insomnia, or other sleep disorders
- If you have medical conditions that may affect sleep (heart conditions, anxiety, depression, etc.)
- If you are pregnant, nursing, or taking medications that may affect sleep
- If you experience adverse effects from following any sleep schedule recommendations
- Before making significant changes to your sleep routine if you have health concerns
Always consult with a qualified healthcare professional or sleep specialist before implementing significant sleep schedule changes, especially if you have medical conditions or concerns.
Coffee Nap Feature Disclaimer
Caffeine Usage Notice:
The Coffee Nap Calculator feature involves the use of caffeine, which is a stimulant. This feature should be used with caution:
- Not suitable for pregnant or nursing women without medical approval
- May not be appropriate for individuals with heart conditions, anxiety disorders, or caffeine sensitivity
- Should not be used by individuals taking medications that may interact with caffeine
- Timing and frequency of use should be carefully considered to avoid sleep disruption
- Individual tolerance to caffeine varies significantly
Consult with a healthcare provider before using caffeine-based sleep optimization techniques, especially if you have any medical conditions, take medications, or have concerns about caffeine use.
Accuracy of Information
While we strive to provide accurate sleep cycle calculations based on established sleep science, we make no warranties about the completeness, reliability, and accuracy of this information. Any action you take based on the information provided is strictly at your own risk and should be discussed with a healthcare professional when appropriate. BedtimeCalculators.com is not liable for any inaccuracies or the consequences of using the information provided.
Limitations of Liability
In no event shall BedtimeCalculators.com or its suppliers be liable for any damages (including, without limitation, damages for loss of data or profit, or due to business interruption) arising out of the use or inability to use the materials on the website, even if BedtimeCalculators.com or an authorized representative has been notified orally or in writing of the possibility of such damage. Users assume full responsibility for any health or safety consequences resulting from the use of this service.
Modifications to Terms
BedtimeCalculators.com may revise these terms of service for its website at any time without notice. By using this website, you are agreeing to be bound by the then current version of these terms of service.
Governing Law
These terms and conditions are governed by and construed in accordance with the laws of Georgia, USA and you irrevocably submit to the exclusive jurisdiction of the courts in that State or location.
Contact & Updates
If you have any questions about this Privacy Policy or Terms of Service, or if you would like to exercise any of your privacy rights, please contact us via our contact form.
Stay Informed
We may update our Privacy Policy and Terms of Service from time to time. We will notify you of any changes by posting the new policies on this page with an updated "Last Updated" date. You are advised to review these policies periodically for any changes.
Last Updated: June 22, 2025
Quick Summary
Privacy Highlights
- ✓ Sleep calculations processed locally in your browser
- ✓ No personal sleep data stored on our servers (only in your browser's local storage if you save presets/history)
- ✓ Minimal anonymous analytics for improvement
- ✓ Industry-standard security measures
Usage Guidelines
- ✓ Free for personal, non-commercial use
- ✓ Educational tool based on sleep science
- ✓ Designed for adults and general public
- ✓ Not a substitute for medical advice - consult a professional for health concerns