doctor on call shifts the situation changes significantly, because the physical exercise required and the work stress of that day are accentuated, the level of depersonalization and emotional exhaustion in professionals who perform shifts. In addition, lack of sleep, and working shifts at night, have been related 4 to a decrease in the professional's quality of life, feeling much more tired than usual, leading to traffic accidents in a third of the cases. professionals. The on-call periods also produce alterations in their state of mind, anxiety being 5the most frequent, interfering in his personal and professional life, being a period more prone to making mistakes.