Fig. 4From: The effect of yoga on sleep quality and insomnia in women with sleep problems: a systematic review and meta-analysisForest plots for the effects of yoga on sleep quality in women versus control groups. a the global score of the Pittsburgh Sleep Quality Index (PSQI) b the global score of the Insomnia Severity Index (ISI). CI, confidence interval; IV, inverse variance; SD, standard deviationBack to article page