References
daytime mood
HEART
Study design. LcS, Experimental procedure for electroencephalogram and heart rate variability measurement.Impact of Impact of Correlation analysis between perceived daytime mood and physiological indices. The correlation matrix was based on Spearman’s rank correlation coefficient (Characteristics of the participants.Values are expressed as the means ± standard deviation (quantitative variables) or proportions (complaints about sleep). Impact of LcS intake on the following HRV metrics: heart rate and autonomic nerve indices.Heart rate variability (HRV) was measured during the last week of each 4-week placebo and 