Skip to main content
. 2015 Aug 19;10(8):e0134504. doi: 10.1371/journal.pone.0134504

Table 1. Demographic, clinical, and sleep characteristics of patients with sleepwalking and idiopathic nightmares.

Idiopathic nightmares (n = 12) Sleepwalkers (n = 12)
Demographic
Females (n) 8 8
Age (years) 33.4 ± 9.1 41.1 ± 13.5
Clinical
STAI-T score 36.4 ± 6.5 46.2 ± 5.6 **
BDI-II score 8.0 ± 4.5 7.0 ± 4.5
Sleep
N2% 54.1 ± 4.4 52.8 ± 7.2
N3% 15.1 ± 5.5 18.1 ± 6.8
REM % 22.1 ± 3.7 21.6 ± 7.4
N1 microarousals 12.1 ± 10.4 6.8 ± 6.2
N2 microarousals 27.7 ± 32.5 34.1 ± 27.7
N3 microarousals 2.4 ± 3.2 9.3 ± 13.1 *
REM microarousals 33.3 ± 22.7 4.5 ± 4.5 ***
Total microarousals 80.8 ± 59.5 49.3 ± 35.9
PLMI 5.3 ± 7.5 3.2 ± 5.3
AHI 5.4 ± 4.1 3.0 ± 2.4

Abbreviations: AHI: the index of apnea-hypopnea episodes per hour of sleep; BDI-II: Beck Depression Inventory; Microarousals: total number of microarousals; PLMI: the index of periodic limb movements per hour of sleep; N2%: percentage of N2 sleep; N3%: percentage of N3 sleep; REM%: percentage of REM sleep; STAI-T: Spielberger Trait Anxiety

* p < .05

** p < .01

*** p < .001