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.
* Ineligibility reasons are not mutually exclusive, so the total reasons for ineligibility do not sum to total ineligible participants.
CBTi = cognitive behavioral therapy for insomnia condition; Ctrl = control condition; LTF = lost to follow-up (i.e., unable to contact); PTSD posttraumatic stress disorder; PSG = polysomnography.
