Objective. To estimate the prevalence of the most common sleep related symptoms in the primary care and possible associations Method. Cross-sectional study including 120 patients between 20 and 70 years of age seen at a Family Health Unit in the City of Rio Branco, Acre. Information on outcomes and demographic s, socioeconomic, behavioral and anthropometric variables were collected through a questionnaire. Statistical analysis was performed using the chi-square test or Fisher’s exact test. Results. The prevalence of snoring was 55%, habitual snoring 37.5%, obstructive apnea 7.5% and excessive daytime sleepiness 14.2%. Of the 120 patients 33.3% reported having poor sleep quality. The report of habitual snoring was greater in men, with more than 40 years old and obese. The related obstructive apnea was higher among respondents with more than 40 years, individuals with partners (a), obese and who reported poor sleep quality and excessive daytime sleepiness. The age, related about HSA and smoking were associated with reports of poor quality of sleep. Conclusion. Sleep related symptoms have a high prevalence in the population studied, confirming therefore the need of Family Doctors, be alert for this condition to properly do their diagnosis and monitoring.