Relationship Between Sleep Quality and Mood: Ecological Momentary Assessment Study

Sleep disturbances play an important role in everyday affect and vice versa. However, the causal day-to-day interaction between sleep and mood has not been thoroughly explored, partly because of the lack of daily assessment data. Mobile phones enable us to collect ecological momentary assessment data on a daily basis in a noninvasive manner.This study aimed to investigate the relationship between self-reported daily mood and sleep quality.A...