3.3. Mood and Quality of Sleep
mood disturbance
Mood was evaluated by the Profile of Mood States (POMS) questionnaire. The mean total mood disturbance score was 20.5 at baseline for the LPHEAL9 group and 18.4 for the placebo group (NS difference) (The quality of sleep was evaluated using the questionnaire Pittsburg Sleep Quality Index (PSQI). The PSQI total score reduced significantly over time in both groups and no difference between the groups was observed (