The pooled outcomes of sleep efficiency and global score on PSQI revealed a better therapeutic effect of auricular acupuncture, statistically. A. Forest plot of sleep efficiency; Percent of time asleep while in bed, higher values indicate better sleep efficiency, and higher than 80% to 85% is defined as normal. B. Forest plot of global score on PSQI; Range 0-21, clinically important effects were defined as a minimum decrease by at least 1.93 for a beneficial effect and an increase of at least 2.9 for a negative effect.