Fig. 1.
Scores of the four administered scales: Pittsburgh Sleep Quality Index (PSQI), Sleep Condition Indicator (SCI), State Trait Anxiety Inventory (STAI-Y), Beck Depression Inventory-II (BDI-II)
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.