Who Can Participate

We invite anyone, health or unhealthy (with respect to sleep and other illnesses), age 18 and over to join the study.

As data will be collected primarily via the mobile application, participants must have their own (i.e., not shared) iPhone. Additionally, some data can be collected more conveniently by the app if the user also has an Apple Watch. Participants must be fluent in and able to read English, must be able to provide informed consent and be willing to follow study procedures. Versions in other languages for outside the U.S. will be available in the future.

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