Table 2.

Comparison of sleep characters in the sample

Variable	Migraine (n=665)	TTH (n=249)	Controls (n=948)	Sig.
Total sleep time (hrs)*	7.96	8.1	7.99	0.43
Sleep latency (min)#	27.85	24.96	64.95	0.671
Nocturnal awakening since…years*	0.56	0.37	0.31	0.63
Frequency of nocturnal awakening / week*	1.40	0.9	0.74	<0.001
Wakes after.. hours*	1.23	0.93	0.83	<0.001
Wake after sleep onset (WASO) (min)*	7.63	4.67	4.48	<0.001
Wake after sleep offset (WASF) (min)*	10.51	8.16	9.03	0.002
Sleep efficiency*	90.58	91.59	92.47	<0.001
Refreshing sleep (%)	32.8	37.3	55.3	<0.001
Duration of daytime sleep (hrs)#	1.17	1.04	0.96	0.007
Family history of sleep problem (%)	18	7.6	11.6	<0.001

^*Brown Forsythe Test

^#F test