Sleep duration, vital exhaustion and perceived stress among pregnant migraineurs and non-migraineurs

Table 2 Sleep complaints reported by pregnant women with and without a medical history of migraine, Seattle, Washington, USA, 2003-2006

	Physician Diagnosed Migraine
	Yes	No
	N = 259	N = 1,075
Sleep Complaints	Mean ± SD or %	Mean ± SD or %	P-value
Sleep hours before pregnancy (hours)	7.2 ± 1.0	7.4 ± 0.9	0.01*
≤ 6	27.0	18.5	0.03**
7	35.5	38.4
8	29.4	35.4
≥ 9	6.9	6.0
Missing	1.2	1.7
Sleep hours during pregnancy (hours)	7.7 ± 1.4	7.8 ± 1.3	0.30*
≤ 6	24.7	17.2	0.01**
7	19.7	23.2
8	28.2	34.4
≥ 9	26.2	24.8
Missing	1.2	0.4
Epworth sleepiness scale during pregnancy (score)	7.9 ± 3.5	7.5 ± 3.4	0.20*
Normal (0-9)	68.7	72.7	0.20**
Borderline (10-12)	18.9	18.9
Abnormal (13-24)	12.4	8.3
Missing	0.0	0.1
Vital exhaustion during pregnancy
Never	39.0	54.4	< 0.001**
Infrequently	24.3	24.0
Frequently	16.2	8.8
Very frequently	19.7	12.0
Missing	0.8	0.8
Perceived stress scale (score)	4.2 ± 2.4	3.7 ± 2.3	0.008*
0-3	41.7	47.4	0.07**
4-6	39.8	39.6
7-12	16.2	10.6
Missing	2.3	2.4

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