Clinical Research Directory

Inclusion Criteria: * Age between 18 and 55 * In second or third trimester of pregnancy (Gestation weeks 18-32) * Able to speak, read and write fluent English * Has regular access to a smartphone and/or smart tablet * sleep onset latency (SOL) or nocturnal awakening need be 30 min or more for ≥3 nights/week, must persist for at least 1 month Exclusion Criteria: * Participants with fixed night shift work between midnight and 5 am, or rotating work schedules requiring night shifts during the study period. * Medical or other factors that, in the opinion of the study research team, would interfere with their ability to participate in the intervention (such as inability to participate in the ART due to blindness)