Circadian Mechanisms, Glucose, and CV Risks in T1D

The sleep stability intervention will consist of three theory-based intervention components our team has developed and used in prior interventions: 1) self-monitoring using a wearable sleep tracker (Fitbit). This is well-liked by participants and increases awareness of their sleep goals. 2) Accountability coaching via weekly check-ins and daily monitoring of participants' wearable sleep tracking data and a coaching protocol.