2.3. Psychological and Sleep Metrics
APS
APS
Each participant in both groups at both t0 (before the start of the study) and t1 (at the end of the study) filled the validated Italian versions of eight self-report questionnaires: two measuring psychological factors (ERQ and FFMQ) and six measuring the parameters of sleep quantity, global quality, and continuity (PSQI, APS, SCI, FIRST, ISI, SHI). Details are provided in the At the end of the study, participants in the treatment group were also asked to evaluate their adherence to the dietary advice on a scale from 1 (“I have not followed the dietary advice”) to 10 (“I followed the dietary advice at every meal”).