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This study investigated the associations between sleep patterns and singing voice quality in 231 adult singers of various skill levels across the United States. The four-part survey using a general questionnaire on demographics, musical background, vocal health, and three established survey instruments: the Pittsburgh Sleep Quality Index (PSQI), the Singing Voice Handicap Index-10 (SVHI-10), and the Epworth Sleepiness Scale (ESS) found that while scores were worse than normative values for the PSQI and the SVHI-10, a Pearson correlation between the two showed a moderate association. A linear regression also yielded that 8.9% of the variance in SVHI-10 scores could be predicted from PSQI scores. While further research is needed in this area, this study suggests that the amount of sleep needed for an optimal singing voice may be different from the amount needed to feel well-rested for some singers. Moreover, singers may overestimate the influence of sleep on their singing voices.

SyfteUndersöka påverkan av kronisk orofacial smärta och psykologiska faktorer på sömnkvalitet vid käkmuskelmyalgi.Material och metoderDenna retrospektiva studie omfattade 37 patienter (6 män, 31 kvinnor, medelålder: 49 år) med käkmuskelmyalgi. Sömnkvalitet (Pittsburgh Sleep Quality Index), smärtintensitet och smärtrelaterad funktionsnedsättning (Graded Chronic Pain Scale), depression (Patient Health Questionnaire-9), ångest (General Anxiety Disorder-7), stress (Perceived Stress Scale-10) och katastrofiering (Patient Catastrophizing Scale) undersöktes med varierade formulär. Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) användes för att identifiera patienter med myalgi i käkmuskulatur.Resultat75% av patienterna rapporterade dålig sömnkvalitet, 73% rapporterade minst mild depressionsgrad, 54% rapporterade minst mild ångest, 59% rapporterade måttlig stressnivå och 38% rapporterade kliniskt relevant katastrofiering. Försämrad sömnkvalitet var relaterad till depression (rs = 0.45, n = 37, p = 0.008) ångest (rs = 0.46, n = 37, p = 0.007), stress (rs = 0.43, n = 37, p = 0.014) och katastrofiering (rs = 0.37, n = 37, p = 0.034). Multivariat logistisk regression visade att smärtintensitet, smartrelaterad funktionsnedsättning, depression, ångest, stress, katastrofiering och antal käkmuskler med refererad palpationssmärta förklarade dålig sömnkvalitet signifikant (p = 0.031).KonklusionSömnkvaliteten hos patienter med käkmuskelmyalgi påverkas i hög grad av kronisk smärtintensitet, smärtrelaterad funktionsnedsättning, antal käkmuskler med refererad palpationssmärta och depression samt ångest, stress och katastrofiering. / AimInvestigate the influence of chronic orofacial pain and psychological factors on sleep quality in patients with myalgia of the masticatory muscles.Material and methodsThis retrospective study included 37 patients (6 men, 31 women, mean age: 49 years) with masticatory muscle myalgia. Sleep quality (Pittsburgh Sleep Quality Index), pain intensity and pain-related disability (Graded Chronic Pain Scale), depression (Patient Health Questionnaire-9), anxiety (General Anxiety Disorder-7), stress (Perceived Stress Scale-10) and catastrophizing (Patient Catastrophizing Scale) were assessed by questionnaires. The Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) were used to identify patients with myalgia.Results75% of the patients reported poor sleep quality, 73% reported at least mild depression degree, 54% reported at least mild degree of anxiety, 59% reported at least a moderate stress level and 38% reported a clinically relevant degree of catastrophizing. Impaired sleep quality was related to degree of depression (rs = 0.45, n = 37, p = 0.008), anxiety (rs = 0.46, n = 37, p = 0.007), stress (rs = 0.43, n = 37, p = 0.014) and catastrophizing (rs = 0.37, n = 37, p = 0.034). Multivariate logistic regression showed that characteristic pain intensity, degree of pain-related disability, depression, anxiety, stress, catastrophizing and number of masticatory muscle sites with referred pain significantly explained poor sleep quality (p = 0.031).ConclusionSleep quality in patients with masticatory myalgia is influenced by chronic pain intensity and related disability, number of masticatory muscle sites with referred pain as well as depression, anxiety, stress and catastrophizing.

Background: Sleep disorders have been considered risk factors for cardiovascular disease, including coronary artery disease (CAD). Therefore, poor sleep quality should be frequent complaint in patients with coronary disease. However, in patients with CAD, the prevalence of poor sleepers and factors associated were not properly investigated. Objectives: To evaluate the frequency and the factors associated with poor sleepers in patients with chronic CAD. Method: We used validated questionnaires to examine sleep quality (Pittsburgh Sleep Quality Index; PSQI), high risk of obstructive sleep apnea (Berlin Questionnaire; BQ), excessive sleepiness (Epworth Sleepiness Scale; ESS), angina-related health status (Seattle Angina Questionnaire; SAQ) and quality of life (Medical Outcomes Study 36-item Short Form; SF-36) in 257 volunteers with stable CAD, mean age 62.5 ± 10.5 years. We categorized and compared good and poor sleepers, according to PSQI global score. Subsequently, adjusted analysis was performed to investigate the factors associated with poor sleepers and demographics, clinical characteristics, risk for obstructive sleep apnea, excessive sleepiness, angina-related health status and quality of life. Results: The majority of CAD patients (75.1%) were poor sleepers. The adjusted analysis indicated that older patients (OR 1.05, 95% CI 1.02 to 1.09; p = 0.004), women gender (OR 3.09, 95% CI 1.48 to 6.45; p = 0.003), lower ejection fraction (OR 1.04, 95% CI 1.01 to 1.06; p = 0.015), lower physical limitation (OR 1.03, 95% CI 1.00 to 1.05; p = 0.020), lower angina stability (OR 1.02, 95% CI 1.00 to 1.04; p = 0.027), worse angina-related quality of life (OR 1.03, 95% CI 1.01 to 1.05; p = 0.002) and lower vitality (OR 1.02, 95% CI 1.00 to 01.03; p = 0.042) were associated with poor sleepers. Conclusion: Poor sleepers were highly frequency in chronic CAD patients. Patients with chronic CAD and poor sleepers present higher age, women gender, lower ejection fraction, higher physical limitation, lower angina stability, lower angina-related quality of life and lower vitality. / Introdução: Distúrbios do sono têm sido considerados fatores de risco para doença cardiovascular, inclusive para doença arterial coronariana (DAC). Portanto, qualidade do sono ruim deve ser queixa frequente em portadores de doença coronariana. Entretanto, em portadores de DAC, a prevalência de qualidade do sono ruim e os fatores associados não foram devidamente investigados. Objetivos: Avaliar a prevalência e investigar os fatores associados à qualidade do sono ruim em pacientes portadores de DAC crônica. Métodos: Foram utilizados questionários validados para examinar a qualidade do sono (Índice de Qualidade de Sono de Pittsburgh; PSQI), o alto risco para apneia obstrutiva do sono (Questionário de Berlim; QB), a sonolência excessiva (Escala de Sonolência de Epworth; ESE), o status funcional relacionado à angina (Questionário de Seattle sobre Crise de Angina; QSA) e a qualidade de vida relacionada à saúde (Questionário de Qualidade de Vida SF-36; SF-36), em 257 voluntários com DAC crônica, com idade média de 62,5 ± 10,5 anos. Os pacientes foram categorizados em dois grupos, boa qualidade do sono e qualidade do sono ruim, de acordo com a pontuação global do PSQI. Posteriormente, foi realizada a análise multivariada para investigar a associação entre qualidade do sono ruim e fatores demográficos, características clínicas gerais, risco para apneia obstrutiva do sono, sonolência excessiva, status funcional relacionado à angina e qualidade de vida relacionada à saúde. Resultados: A maioria dos pacientes com DAC crônica (75,1%) apresentaram qualidade do sono ruim. A Análise multivariada indicou que pacientes com idade avançada (OR 1.05, IC 95% 1.02 - 1.09; p = 0,004), gênero feminino (OR 3.09, IC 95% 1.48 - 6.45; p = 0,003), menor fração de ejeção (OR 1.04, IC 95% 1.01 - 1.06; p = 0,015), maior limitação física (OR 1.03, IC 95% 1.00 - 1.05; p = 0,020), menor estabilidade da angina (OR 1.02, IC 95% 1.00 - 1.04; p = 0,027), pior qualidade de vida relacionada à angina (OR 1.03, IC 95% 1.01 - 1.05; p = 0,002) e menor vitalidade (OR 1.02, IC 95% 1.00 - 1.03; p = 0,042), foram associados à qualidade do sono ruim. Conclusão: Qualidade do sono ruim foi altamente frequente em pacientes com DAC crônica. Pacientes portadores de DAC crônica e pior qualidade do sono apresentam maior probabilidade de serem mais idosos, do gênero feminino, apresentarem menor fração de ejeção, maior limitação funcional, menor estabilidade da angina, pior qualidade de vida relacionada à angina e menor vitalidade.