mental health/behavioral symptoms that would preclude productive engagement in study assessments or intervention (e.g., active psychosis; Bipolar Disorder; drug dependence
severe or unstable medical or psychiatric condition such that treatment has changed within the last month or is expected to change during the course of the study or that would preclude ability to adhere to study procedures (e.g. terminal end-stage cancer)
current use of medications or herbs with known effects on sleep
plan to undergo or have had medication change in the last 8 weeks
