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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Nocturnal awakening with headache and its relationship with sleep disorders in a population-based sample of adult inhabitants of Sao Paulo City, Brazil

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Author(s):
Lucchesi, Ligia Mendonca [1] ; Speciali, Jose Geraldo [2] ; Santos-Silva, Rogerio [1] ; Taddei, Jose Augusto [1] ; Tufik, Sergio [1] ; Azeredo Bittencourt, Lia Rita [1]
Total Authors: 6
Affiliation:
[1] Univ Fed Sao Paulo, Sao Paulo - Brazil
[2] Univ Sao Paulo, BR-05508 Sao Paulo - Brazil
Total Affiliations: 2
Document type: Journal article
Source: CEPHALALGIA; v. 30, n. 12, p. 1477-1485, DEC 2010.
Web of Science Citations: 17
Abstract

Our aim was to estimate the prevalence of nocturnal awakening with headache (NAH) in the population of Sao Paulo City according to gender, age (20-80 years old) and socioeconomic classes and its relationship to sleep disorders, sleep parameters, anxiety, depression, fatigue, life quality and obesity. We used a population-based survey with a representative three-stage cluster sample. Questionnaires and scales were applied face-to-face, and polysomnography was performed in 1101 volunteers, aged 42 +/- 14 years, 55% women. The complaint of NAH occurring at least once a week had a prevalence of 8.4%, mostly in women, obese subjects and those aged 50-59 years-old. We observed associations of NAH with insomnia, restless leg syndrome (RLS), nightmares and bruxism, but not obstructive sleep apnea syndrome. In a logistics regression model, risk factors for NAH were female gender, odds ratio (OR) (95% confidence interval {[}CI]) 4.5 (2.8-7.3); obesity, OR 1.9 (1.1-3.3); age between 50 and 59 years, OR 2.4 (1.2-4.7); severe anxiety, OR 8.1 (3.6-18.1); RLS, 2.7 (1.2-5.6); and nightmares, 2.2 (1.3-3.7). Our study shows that NAH was highly prevalent in the population of Sao Paulo and suggests that this phenomenon has specific characteristics with specific risk factors: obesity, RLS and nightmares. (AU)

FAPESP's process: 98/14303-3 - Center for Sleep Studies
Grantee:Sergio Tufik
Support Opportunities: Research Grants - Research, Innovation and Dissemination Centers - RIDC