a decreasing trendP <.001
Although both the intervention and control groups showed a decreasing trend in sleep latency at posttest (intervention: adjusted mean difference −27.80 minutes/day, 95% CI −33.07 to −22.53, P <.001; control: −26.05 minutes/day, 95% CI −31.22 to −20.89, P <.001) and follow-up (intervention: −26.63 minutes/day, 95% CI −32.05 to −21.20, P <.001; control: −18.43 minutes/day, 9