Sleep Spindles Characteristics in Insomnia Sufferers and Their Relationship with Sleep Misperception
Table 1
Medians (ranges) of sociodemographic data of good sleepers (GS) and paradoxical (PARA-I) and psychophysiological (PSY-I) insomnia sufferers.
GS = 29
PARA-I = 17
PSY-I = 24
Age (years)
31.00 (25.00–53.00)
42.00 (26.00–51.00)
37.00 (28.00–54.00)
Gender (women/men)
19/10
11/6
15/9
Education (years)
16.00 (6.00–21.00)
16.00 (6.00–17.00)
16.00 (6.00–25.00)
Insomnia length (months)
—
96.00 (12.00–360.00)
96.00 (3.00–360.00)
Questionnaires
ISI
1.00 (0.00–7.00)
16.00 (11.00–22.00)
17.00 (1.00–22.00)
BDI
2.00 (0.00–12.00)
5.00 (1.00–10.00)
7.00 (0.00–20.00)
BAI
2.00 (0.00–11.00)
6.00 (2.00–20.00)
5.00 (0.00–13.00)
Note. ISI = Insomnia Severity Index. BDI = Beck Depression Inventory. BAI = Beck Anxiety Inventory. b: significant difference between the PARA-I and GS. c: significant difference between the PSY-I and GS.
