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Sleep Nook
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Privacy Policy

Last Updated: September 28, 2025

Introduction

Welcome to Sleep Nook (hereinafter referred to as "the Application"). We highly value your privacy protection and are committed to handling your personal information in a transparent manner. This Privacy Policy aims to explain how we collect, use, store, and protect your information, as well as the rights you have regarding your personal information.

Information Collection

1. Information We Collect

Information Collected During Usage

  • Sleep tracking data: including bedtime, wake time, sleep quality evaluation, factors affecting sleep, etc.
  • User settings information: including your personal preferences, target sleep time, etc.
  • Application usage data: including feature usage, interface interaction records, etc.

Device Information

  • Device model, operating system version
  • Application version information

2. Information We Do Not Collect

We do not collect the following information:

  • Your name, address, phone number, email address, and other personal identification information
  • Location information
  • Contact information
  • Photos, videos, or other personal media files
  • Health data (except for sleep information you actively record)

Information Usage

The information we collect will be used for the following purposes:

  1. Providing and improving our services
  2. Analyzing user behavior to optimize user experience
  3. Statistical analysis to generate sleep reports and trend charts
  4. Troubleshooting and problem resolution
  5. Personalized settings for application features

Information Storage

1. Storage Location

Your data will be stored locally on your device and will not be uploaded to any server.

2. Storage Duration

Your data will be stored on your device until you actively delete the application or clear the data.

3. Data Security

We take appropriate technical measures to protect your data security, including:

  • Data encryption storage
  • Access control mechanisms
  • Regular security checks

Information Sharing

We will not share your personal information with any third parties unless:

  1. We obtain your explicit consent
  2. Required by laws and regulations
  3. To protect our legitimate rights and interests

Your Rights

You have the following rights regarding your personal information:

  1. Right of access: You can view your sleep records and settings information at any time
  2. Right of rectification: You can modify or delete your sleep records
  3. Right of erasure: You can delete all your data
  4. Right to withdraw consent: You can withdraw your consent to our processing of your personal information at any time

Children's Privacy

Our application is not intended for children under 13 years of age. We do not intentionally collect personal information from children. If you are a parent or guardian and discover that your child has provided personal information without your consent, please contact us.

Privacy Policy Changes

We may update this Privacy Policy from time to time. If there are significant changes, we will notify you within the application or through other appropriate means.

Contact Us

If you have any questions or suggestions regarding this Privacy Policy, please contact us through the following methods:

Disclaimer

  1. The sleep data recording and analysis functions provided by this application are for personal reference only and cannot replace professional medical diagnosis or treatment advice.
  2. We are not liable for any direct, indirect, incidental, special, or consequential damages arising from the use of this application, including but not limited to data loss, device damage, sleep quality improvement effects, etc.
  3. You should understand and agree that the functions and effects of this application may vary due to individual differences, device performance, network environment, and other factors.
  4. We do not guarantee uninterrupted operation or error-free performance of the application, nor are we responsible for service interruptions caused by system maintenance, upgrades, or other technical reasons.
  5. You should comply with relevant laws and regulations when using this application and must not use it for any illegal activities.
  6. All content provided in this application (including but not limited to text, images, charts, data, etc.) is for reference only and does not constitute any form of professional advice.
  7. We reserve the right to modify, suspend, or terminate all or part of the application's functions at any time without prior notice to users.
  8. Your use of this application indicates that you have read and understood all contents of this Privacy Policy and agree to bear the risks associated with using this application.