Table 2.

Descriptive statistic of the stop-signal task.

	Insomnia disorders	Good sleepers	T	p
Go accuracy (%)	0.98 ± 0.01	0.99 ± 0.01	−0.634	0.532
Stop accuracy (%)	0.56 ± 0.07	0.57 ± 0.07	−0.151	0.881
Omissions (%)	0.01 ± 0.03	0.005 ± 0.006	1.332	0.196
Choice errors (%)	0.009 ± 0.01	0.008 ± 0.009	0.043	0.966
False alarms (%)	0.44 ± 0.07	0.43 ± 0.07	0.151	0.881
Go RT (ms)	590.5 ± 60.1	557.6 ± 64.6	1.315	0.201
SSRT (ms)	295.9 ± 38.5	243.4 ± 36.6	3.496	0.002
SSD (ms)	294.6 ± 63.5	311.5 ± 73.9	−0.609	0.549

Significant result is presented in bold (p < 0.05). Go RT, Reaction Time of Go Trials; SSRT, Stop-signal Reaction Time; SSD, Stop-signal Delay.