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Sleep quality and depression among patients with migraine.

The aim of this study was to determine the sleep quality and level of depression among Iranian migraineurs. Among 380 cases that were selected by simple random selection from those who attended Outpatient Neurology Clinic of Imam Khomeini Hospital, 332 patients participated in this cross-sectional study. After an inclusive examination by a neurologist, the participants were asked to fill valid and reliable Persian versions of Pittsburg Sleep Questionnaire (PSQI) and Beck Depression Inventory (BDI). They also requested to score headache severity by means of a visual analogue scale graded from 1-10. According to frequency of attacks, patients were divided into three groups: with 1-4 migraine days per month, 5-7 migraine days in a month and more than 7 migraine days per month. Mean age of participants was 36.3±10.1 years and mean headache severity score was 6.0±1.9. The PSQI total score and headache severity score were highest among patients with frequent attacks. Mean BDI, PSQI and headache severity scores significantly differ between male and female participants. There was significant positive correlation between BDI and PSQI scores (r=0.5, P<0.001) also there was a positive correlation between headache severity score and PSQI score (r=0.6, P<0.001). Decreased sleep quality with other co-morbidities such as depression in migraineurs cases should be considered.