Thank you for your interest in our study!

The main goal of this study is to learn more about how activity, daily rhythms, and light affect mental health. Results may inform treatments to help people in the future. 

During the study you may be asked to:

  • Complete interviews and questionnaires.
  • Wear devices that measure activity, temperature, heart rate, sleep, and light exposure.
  • Complete tasks on your mobile phone.
  • Visit the NIH Clinical Center to complete tests, activities, brain scans, and a sleep study.

Please complete the following survey. Answers will help us determine if you are eligible to participate.

The survey will take approximately 5 minutes to complete. 

We follow all NIH-approved procedures to protect the privacy of our participants and to safeguard the confidentiality of any information you choose to share with us in this survey.

For our contact information and a full study description, please visit our website:  

Loading... Loading...
You have selected an option that triggers this survey to end right now.
To save your responses and end the survey, click the 'End Survey' button below. If you have selected the wrong option by accident and/or wish to return to the survey, click the 'Return and Edit Response' button.