Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Forest plot for short- and long-term effects of dCBT-i on subjective sleep quality among insomnia subtypes. Subjective sleep quality was evaluated using the PSQI (Morris et al., 2015 [30]; Fucito et al., 2017 [44]), ISI (Freeman et al., 2017 [43]), or HSDQi (De Bruin et al., 2018 [45]). SD, standard deviation; CI, confidence interval.
