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Prevalence of major sleep disorders
Sleep disorders are changes in the patterns of sleep that can negatively affect the health quality of an individual. Thus, the high level of prevalence in the modern society is a major health problem that usually does not receive the equivalent attention by the medical community.
To evaluate the frequency of sleep disorders in patients seeking a sleep laboratory.
This is a cross-sectional study. Study sample: Individuals who sought a sleep laboratory in Salvador (Ba) were evaluated.
Inclusion criteria: Patients who answered questionnaires with information about the characteristics of sleep which were applied between 2014 and October/2018 in individuals of any age, gender, who sought a sleep laboratory in Salvador (Ba). Exclusion criteria: Medical records with incomplete data. Project approved by the research ethics committee.
This sample consisted of 871 patients with mean age = 45 ± (31 – 59) years, male percentage = 52.7%, median BMI = 26.46 (22.4 - 31.2) kg/m², median of the Epworth Scale = 10 (6 - 14.3), mean of bedtime = 22:39 ± 1:32 h, mean of wake-up time = 6:15 ± 1:26 h, mean of total sleep time = 7:31 ± 1:37 h. The most frequent disorders were snoring (86.6%), followed by insomnia (72.1%) and leg movements (52.6%). Women wake up more during the night (76.9% vs 67.8%; p = 0.003), they have more difficulty sleeping (49% vs 34.9%; p < 0.001), they also report more tiredness when waking up (63.8% vs 54%; p = 0.003), besides presenting more daytime sleepiness (62.4% vs 55.6%; p = 0.041) when compared to men. Women reported more body pain (62.4%% vs 39.7%; p < 0.001), they also reported more irritation (49.3% vs 39%; p = 0.002), as well as a weaker memory (58.3% vs 46.8%; p = 0.001), and finally they reported more headache when waking up (34.5% vs 22%; p < 0.001). Men have a higher frequency of daytime sleepiness (24% vs 14.6%; p < 0.001), they snore more (90.2% vs 82.5%, p = 0.001) and bother more third parties when they snore (61.1% vs 54.1%; p = 0.002), they also have a higher frequency of assisted apnea (44.4% vs 30.8%; p < 0.001) when compared to women.
Through the present study it was observed that the sleep disorders with higher prevalence were snoring (86.6%), insomnia (72.1%) and leg movements (52.6%).
Sleep disorders, prevalence, insomnia, snoring
João Guilherme Santos Garrido, Yuri Campos Lopes, Augusto Marianno Ferreira Santos, Luana Rollemberg Seixas, Ranuzia Galtieri , Cristina Salles