Mixed models statistics for within-group, baseline and between-group differences on sleep quality parameters for the two study groups after adjusting for age.

1SOL = Sleep Onset Latency (minutes); SE = Sleep Efficiency (%); Total Sleep Time (minutes); WASO = Wake After Sleep Onset (minutes); NA = Number of Awakenings. 2Significance levels: * = significant at the level of 0.05, ** = significant at the level of 0.01, *** = significant at the level of 0.001. 3Cohen’s d effect sizes: ∧ = small-sized effect, ∧∧ = medium-sized effect, ∧∧∧ = large-sized effect.