Your privacy is important to us. This Privacy Policy explains how Sleep Habits Tracker & CBT-I ("we", "our", or "us") collects, uses, and protects your information when you use our mobile application and website.
1. Information We Collect
1.1 Information You Provide
When you use the Sleep Habits Tracker & CBT-I app, you may provide the following information:
- Account Information: Username or display name when you create a profile
- Sleep Data: Bedtime, wake time, sleep duration, sleep quality ratings, and nap records you choose to log
- Habit Data: Daily habit ratings across categories such as caffeine intake, exercise, stress levels, screen time, and other sleep-influencing behaviors
- Custom Habits: Any custom habit categories or entries you create within the app
- Sleep Goals: Personal sleep goals and targets you set
1.2 Information Collected Automatically
We may automatically collect certain information when you use our app:
- Usage Data: Features used, screens viewed, frequency and duration of use
- Device Information: Device type, operating system version, app version, and unique device identifiers
- Crash Reports: Diagnostic and performance data to help us improve the app
- Time Zone: Your device's time zone to accurately record sleep times
1.3 Information We Do NOT Collect
We do not collect:
- Your real name, email address, or contact information (unless voluntarily provided for support)
- Location data or GPS coordinates
- Health data from third-party sources (Apple Health, Google Fit) unless you explicitly grant permission
- Payment information (the app is free)
- Biometric data
2. How We Use Your Information
We use the information we collect to:
- Provide, operate, and maintain the app and its features
- Generate your personalized CBT-I recommendations and sleep insights
- Calculate your habit scores, sleep efficiency, and trend analytics
- Display your sleep history and progress over time
- Send you optional daily reminder notifications (only if you enable them)
- Improve and optimize the app's performance and user experience
- Diagnose and fix technical issues
- Comply with legal obligations
3. Data Storage & Security
3.1 Local Storage
Your sleep and habit data is primarily stored locally on your device. This means your personal health data remains on your phone and is not routinely transmitted to our servers.
3.2 Cloud Backup (Optional)
If you enable cloud sync (where available), your data may be stored securely on our servers. We implement industry-standard encryption (AES-256) for data at rest and TLS for data in transit.
3.3 Data Retention
We retain your data for as long as you maintain your account or as necessary to provide our services. You may delete your account and all associated data at any time through the app settings or by submitting a deletion request.
3.4 Security Measures
We take reasonable measures to protect your information from unauthorized access, use, or disclosure, including:
- Encryption of data in transit and at rest
- Secure server infrastructure
- Access controls limiting who can view your data
- Regular security reviews and updates
4. Sharing Your Information
We do not sell, trade, or rent your personal information to third parties. We may share information only in the following limited circumstances:
- Service Providers: Trusted third-party vendors who help us operate the app (e.g., analytics, crash reporting), bound by confidentiality agreements
- Legal Requirements: If required by law, court order, or governmental authority
- Safety: To protect the rights, property, or safety of our users or the public
- Business Transfer: In the event of a merger, acquisition, or sale of assets, with prior notice to you
5. Third-Party Services
Our app may use the following third-party services:
- Expo / React Native: App framework (subject to their privacy policies)
- Analytics: We may use anonymized analytics to understand app usage patterns
These third parties have their own privacy policies. We encourage you to review them.
6. Children's Privacy
Our app is not directed to children under the age of 13 (or 16 in certain jurisdictions). We do not knowingly collect personal information from children. If you believe we have inadvertently collected information from a child, please contact us immediately so we can delete it.
7. Your Rights & Choices
Depending on your location, you may have the following rights regarding your personal data:
- Access: Request a copy of your personal data
- Correction: Request correction of inaccurate data
- Deletion: Request deletion of your account and data
- Portability: Request export of your data in a portable format
- Opt-Out: Opt out of analytics data collection
- Notifications: Disable push notifications through your device settings
To exercise these rights, please contact us or use the account deletion form.
8. California Privacy Rights (CCPA)
California residents have additional rights under the California Consumer Privacy Act (CCPA). We do not sell personal information. California residents may request disclosure of the categories and specific pieces of personal information we collect. To exercise your CCPA rights, please contact us.
9. European Privacy Rights (GDPR)
If you are located in the European Economic Area (EEA), you have rights under the General Data Protection Regulation (GDPR). Our legal basis for processing your data is your consent and our legitimate interest in providing the app's services. You have the right to withdraw consent at any time by deleting your account.
10. Cookies & Tracking
Our website may use cookies to enhance your browsing experience. You can control cookie settings through your browser. Our mobile app does not use browser cookies.
11. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes by updating the "Last Updated" date and, where appropriate, providing in-app notification. Continued use of the app after changes constitutes acceptance of the updated policy.
12. Contact Us
If you have questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact us:
- Via our Contact Form
- For account deletion: Delete Account Request