This study came up with the main objective to inspect the sleep quality and sleep disorders among traffic agents in Rio de Janeiro, Brazil. A cross-sectional and descriptive study was carried out in which 118 traffic agents were surveyed. To this end, the Pittsburgh Quality of Sleep Index (PSQI) questionnaire was administered. The results demonstrate that the mean PSQI global score was 8.5 ± 2.4. Thirty four subjects had high sleep quality and 84 had low sleep quality. Global PQSI scores had a mean of 3.5 ± 1.37. Those categorized as low sleep quality ranged from 6-12 with a mean of 7.52 ± 1.64. Related to the usual medications, drugs most commonly used are those intended for the treatment of anxiety (9.32%), sleep inducers (10.17%), hypertension (24.58%), anti-depressants (16%), and analgesics (30.51%). The relationship of insomnia severity to age was significant from a statistical point of view (p = 0.001). Poor sleep quality has a negative impact on general health and well-being and can produce signs and symptoms associated with concussions. The relatively moderate sleep deficits experienced by subjects in this study did not affect, at first, the performance on professional activities.