Privacy Policy
Your privacy is important to us. This policy explains how Sleep Calculator collects, uses, and protects your personal information when you use our sleep calculation tools and services.
Table of Contents
1. Overview
Sleep Calculator (“we,” “our,” or “us”) is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website sleepcalculator.com and use our sleep calculation tools.
We are a health information service focused on providing sleep science-based tools to help users optimize their sleep patterns. We prioritize user privacy and adhere to strict data protection standards.
Sleep Calculator is an informational tool and not a medical service. We do not provide medical advice, diagnosis, or treatment. Always consult with a healthcare professional for medical concerns.
2. Information We Collect
We collect information in the following ways:
A. Information You Provide
When using our sleep calculator tools, you may voluntarily provide:
- Sleep-related data: Bedtime preferences, wake-up times, sleep duration, sleep quality indicators
- Demographic information: Age group (not specific birth date), general health indicators
- Contact information: Email address (only if you subscribe to our newsletter or contact support)
- Feedback and survey responses: Information about your experience with our tools
B. Automatically Collected Information
We automatically collect certain information when you visit our website:
- Device information: Browser type, device type, operating system
- Usage data: Pages visited, time spent on pages, features used
- Technical data: IP address (anonymized), referring website
- Cookie data: See our Cookies section for details
| Data Type | Collection Method | Purpose |
|---|---|---|
| Sleep calculation inputs | User input | Provide sleep recommendations |
| Age group | User selection | Personalize sleep guidelines |
| Device information | Automatic collection | Improve user experience |
| Usage patterns | Analytics tools | Service optimization |
3. How We Use Your Information
We use the collected information for the following purposes:
Primary Uses
- Provide sleep calculation services: To generate personalized sleep schedules and recommendations
- Improve our tools: To enhance the accuracy and functionality of our sleep calculators
- Research and development: To conduct anonymized sleep pattern research (all data is aggregated and anonymized)
- Customer support: To respond to your inquiries and provide assistance
- Service optimization: To improve website performance and user experience
Legal Basis for Processing
We process your personal information based on the following legal grounds:
- Consent: When you voluntarily provide information for specific purposes
- Legitimate interests: To improve our services and conduct research
- Contractual necessity: To provide the sleep calculation services you request
- Legal compliance: To comply with applicable laws and regulations
We adhere to the principle of data minimization, collecting only the information necessary to provide our services. Sleep calculation data is processed locally in your browser whenever possible.
4. Data Protection & Security
We implement comprehensive security measures to protect your information:
Security Measures
- Encryption: All data transmissions use SSL/TLS encryption
- Access controls: Strict access limitations to user data
- Regular audits: Security assessments and vulnerability testing
- Data anonymization: Personal identifiers removed from research data
- Secure infrastructure: Hosting on compliant, secure servers
Data Processing Locations
Our data processing activities occur in the following locations:
- Primary processing: United States (compliant with GDPR requirements)
- Backup locations: Secure data centers in the EU and US
- Local processing: Sleep calculations performed in your browser when possible
6. Third-Party Services
We use trusted third-party services to enhance our functionality:
Service Providers
- Analytics: Google Analytics (anonymized data only)
- Hosting: Secure cloud hosting providers
- Email services: For newsletter subscribers (opt-in only)
- Research partners: Academic institutions (anonymized data only)
Third-Party Policies
All third-party services are bound by:
- Strict data processing agreements
- GDPR compliance requirements
- Confidentiality obligations
- Data protection standards equivalent to ours
Note: We do not sell, rent, or trade your personal information with third parties for marketing purposes.
7. Data Retention
We retain your information only as long as necessary:
Retention Periods
- Sleep calculation data: 30 days (anonymized after this period)
- Contact information: Until you unsubscribe or request deletion
- Analytics data: 26 months (anonymized)
- Research data: Indefinitely in anonymized form
- Legal obligations: As required by applicable laws
Data Deletion
You can request deletion of your data at any time. Most sleep calculation data is automatically deleted after 30 days unless saved by you.
8. Your Rights
You have the following rights regarding your personal information:
Data Subject Rights
- Right to access: Request a copy of your personal data
- Right to rectification: Correct inaccurate or incomplete data
- Right to erasure: Request deletion of your data
- Right to restriction: Limit processing of your data
- Right to data portability: Receive your data in a structured format
- Right to object: Object to certain processing activities
- Right to withdraw consent: Withdraw consent at any time
Exercising Your Rights
To exercise any of these rights, please contact us using the information in the “Contact Us” section. We will respond to your request within 30 days.
You will not have to pay a fee to access your personal data or to exercise any of the other rights. However, we may charge a reasonable fee if your request is clearly unfounded, repetitive, or excessive.
9. Children’s Privacy
Our services are designed for general audiences, including children’s sleep guidance:
COPPA Compliance
- We do not knowingly collect personal information from children under 13
- Sleep calculators for children use age ranges only, not specific ages
- No registration or personal data collection from children
- Parents can use our tools to calculate sleep schedules for their children
Parental Controls
If you believe your child has provided us with personal information, please contact us immediately. We will take steps to delete such information from our records.
10. Policy Changes
We may update this Privacy Policy periodically:
Update Process
- We will notify you of significant changes via email (if subscribed)
- The “Last Updated” date at the top will reflect the latest version
- Continued use of our services after changes constitutes acceptance
- Previous versions will be archived and available upon request
Notification
We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information.
11. Contact Us
If you have questions about this Privacy Policy or our data practices:
Data Protection Officer
You can contact our Data Protection Officer at:
- Email: privacy@sleepcyclecalculator.com
- Mail: Sleep Calculator Privacy Office, 123 Sleep Science Way, San Francisco, CA 94107
- Phone: +1 (555) 123-4567 (ask for Privacy Office)
Supervisory Authority
If you are in the European Economic Area (EEA) and have concerns about our data processing, you have the right to lodge a complaint with your local data protection authority.
Have Privacy Questions?
If you have questions about our Privacy Policy or how we handle your data, our privacy team is here to help. We’re committed to transparency and protecting your privacy.
Contact Privacy Team