3.4. Sleep Measures
Sleep quality, timing, and duration were measured by the PSQI survey. A PSQI total score greater than 5 indicates poor sleep quality. At the beginning of the study, the average scores for PSQI were 6.0 ± 0.7 for the combination group, 8.9 ± 1.0 for the ADF group, 6.4 ± 0.6 for the exercise group, and 5.5 ± 0.7 for controls, indicating poor sleep quality in all groups at baseline (