Privacy Policy

Last updated: Aug 26, 2020

Thank you for using Sleep Tracker ("Sleep Tracker”, "we” or "us”). Sleep Tracker is committed to protecting the privacy of all users ("you,” or "Users”) who access the app. The privacy policy is here to give you all the information you need about what kind of information we collect, how we use, how we share it, how you control your data, and make sure you know your rights in connection to when you use our applications, software, websites, APIs and services. By using or accessing our App or our Service, you agree to our privacy policy. You promise us that (I) YOU have read, understand and agree to this Privacy Policy, and (II) You are over 16 years old. If you do not agree, or are unable to make this promise, you must not use the Service and delete the app from your devices

1. Information we collect

1) Data you give us

You may be asked to provide us information about yourself when you use the Service. This information includes: data directly/indirectly relating to your sleep (including your sleep schedule (i.e. time you go to sleep and approximate duration of your sleep), your alarm clock time, how do you feel after the sleep, sleeping habits, areas for improving sleep, daily behavior patterns which may affect your sleep and your preferences relating to the ways of improving your sleep).

2) Data we collect automatically:

We collect data about your mobile device. Examples of such data include: language settings, type and model of a device, device settings, operating system, and Facebook ID. This information is helpful in fixing bugs when any issues reported on your device

3) Usage data

We record how you interact with our Service. For example, we log your taps on certain areas of the interface, the features, and content you interact with, how often you use the App, how long you are in the App, what sections you use, and your subscription orders.

4) Advertising IDs

We collect your Apple Identifier for Advertising (“IDFA”) or Google Advertising ID (“AAID”) (depending on the operating system of your device). You can typically reset these numbers through the settings of your device’s operating system (but we do not control this).

Especially, sleep recordings you don’t give us proactively won’t be collected.

2. How we use information

We use the information we collect for the following purposes:

1) Improve, personalize, and develop the services

We use the information we collect to improve the Services and to develop new features. we need these information to understand how users interact with the ''Sleep Tracker app'' services, the stability, and performance of the services etc.

2) Communicate with you

We use your information when needed to send you Service notifications and respond to you when you contact us.

We guarantee that the information we collect will never be sold.

3. Sharing of information

We may share non-personal information that is aggregated or de-identified so that it cannot reasonably be used to identify an individual. Meanwhile, We may preserve or disclose information about you to comply with a law, regulation, legal process, or governmental request; to assert legal rights or defend against legal claims; or to prevent, detect, or investigate illegal activity, fraud, abuse, violations of our terms, or threats to the security of the Services or the physical safety of any person.

4. Your rights

You can simply uninstall the app in order to remove any stored data at any time. If you need any further assistance regarding your rights, feel free to contact us at

5. Our Policies for Children

We appreciate the importance of taking additional measures to protect children's privacy. We do not knowingly collect Personal Data from children under the age of 13.

6. Changes to this privacy policy

We reserve the right to change this Privacy Policy from time to time. We will inform you of any changes by posting the updated Privacy Policy through the mobile applications. If we make any material changes to our Privacy Policy, we will post a notification through the mobile applications and/or by asking you to review the changes to the Privacy Policy the next time you access the Services. Your continued use of the Services after the changes are made will indicate your consent to our use of your information consistent with this Privacy Policy, including those changes.

7. Supplementary clause (Effective: Aug 26, 2020)

This privacy policy also applies to users in California under the California Consumer Privacy Act of 2018 ("CCPA"). We guarantee that the information we collect will never be sold.

In addition, your rights under the CCPA:

1) To know what information we collect.

You can request the details on the information we have collected from you by contacting us at

2) To delete the information we collect.

You can request the deletion of your data by contacting us at After that, you can use our application as usual, without any discrimination.