Table 3.

Descriptive statistics of dependent measures in four conditions

	ISSD-Training (N = 21)		ISSD-Control (N = 19)		INSD-Training (N = 19)		INSD-Control (N = 20)
	Pre	Post	Pre	Post	Pre	Post	Pre	Post
NoGo-ACC	0.88 (0.07)	0.92 (0.12)	0.86 (0.07)	0.80 (0.13)	0.92 (0.07)	0.89 (0.09)	0.90 (0.06)	0.85 (0.10)
PSQI	10.33 (2.18)	8.48 (2.69)	10.32 (1.77)	10.26 (1.52)	9.95 (1.96)	7.79 (1.58)	9.90 (2.83)	7.95 (2.70)
PSQI-TST, min	384.29 (64.08)	427.14 (68.35)	397.89 (58.17)	367.89 (47.79)	394.75 (58.53)	457.89 (50.84)	399.00 (63.15)	426.00 (64.27)
ISI	14.14 (3.35)	11.81 (3.52)	15.00 (2.62)	14.47 (2.46)	15.47 (2.67)	11.58 (3.66)	15.45 (4.43)	11.70 (4.55)
PSAS	45.86 (10.22)	41.52 (8.52)	49.26 (10.83)	45.74 (12.51)	45.32 (9.83)	41.42 (6.91)	49.70 (10.53)	44.60 (9.87)
PSAS-SA	19.38 (5.30)	16.19 (4.19)	20.74 (6.12)	19.37 (6.75)	16.89 (6.57)	15.26 (4.91)	20.45 (5.69)	18.70 (5.00)
PSAS-CA	26.48 (6.27)	25.33 (6.18)	28.53 (6.42)	26.37 (7.20)	28.42 (5.17)	26.16 (4.83)	29.25 (6.05)	25.90 (6.20)
TST, min	371.55 (43.98)	416.90 (90.15)	345.79 (58.44)	456.74 (100.91)	508.03 (60.56)	430.50 (95.12)	513.70 (94.43)	389.15 (94.60)
SL, min	68.02 (56.30)	54.36 (57.58)	45.82 (42.77)	52.63 (51.72)	47.42 (38.20)	59.32 (53.40)	50.05 (54.16)	68.65 (61.90)
WT, min	49.07 (45.75)	40.38 (49.87)	42.05 (49.47)	75.26 (89.63)	89.50 (68.79)	66.89 (62.91)	103.73 (99.12)	55.93 (59.69)
LST, min	210.40 (45.84)	235.38 (61.69)	200.34 (65.08)	235.47 (92.28)	273.53 (49.03)	225.89 (66.87)	239.38 (87.69)	210.83 (66.41)
DST, min	52.86 (33.76)	69.90 (21.77)	53.32 (23.80)	58.76 (22.99)	58.45 (30.12)	70.79 (25.39)	70.93 (33.87)	57.95 (28.64)

ISSD insomnia with objective short sleep duration, INSD insomnia with objective normal sleep duration, PSQI Pittsburg Sleep Quality Index, PSQI-TST Subjective Total Sleep Duration reported by PSQI’s item 4, ISI Insomnia Severity Index, PSAS Pre-sleep arousal scale, SA Somatic arousal, CA Cognitive arousal, TST Total Sleep Time, SL Sleep Latency, WT Wakefulness Time, LST Light Sleep Time, DST Deep Sleep Time