Fig. 4

The impact of sleep quality (PSQI) on interpersonal functioning (FIAT-Q-SF), mediated through impulsiveness (BIS-11). A Hypothesized mediation model; B Final mediation model. PSQI: Global PSQI Score; BIS-11: AttImp, Attentional Impulsiveness; MotImp, Motor Impulsiveness; NpImp, Non-planning Impulsiveness; FIAT: FIAT-Q-SF Total Score. Data represents estimates/betas—direct (total). IV, independent variable; DV, dependent variable; M, mediator. *p < 0.05, **p < 0.01, ***p < 0.001