Table 2. The patients' sleep characteristics.

PSQI GS, median (IQR)	6 (4–9)
PSQI GS ≥6	36 (51.4)
ISI, median (IQR)	4 (2–6)
ISI ≥10, n (%)	10 (14.3)
Symptoms of insomnia, n (%)
DIS, mild to very severe	30 (42.9)
DIS, moderate to very severe	13 (18.6)
DMS, mild to very severe	28 (40.0)
DMS, moderate to very severe	12 (17.1)
WA, mild to very severe	20 (28.6)
WA, moderate to very severe	1 (1.4)
Any symptoms	38 (54.3)
Any moderate to severe symptoms	20 (28.6)
ESS, median (IQR)	5 (3–8)
ESS ≥10, n (%)	13 (18.6)
RLS, n (%)	10 (14.3)

DIS: difficulty initiating sleep, DMS: difficulty maintaining sleep, ESS: Epworth Sleepiness Scale, ISI: Insomnia Severity Index, PSQI GS: Pittsburgh Sleep Quality Index global score, RLS: restless legs syndrome, WA: wake up too early.