1. Sleep Laboratory of Pulmonary Division of Heart Institute (InCor), University of São Paulo Medical School, São Paulo, Brazil;
2. Hypertension Unit of Heart Institute (InCor), University of São Paulo Medical School, São Paulo, Brazil;
3. Federal University of Rondônia, Rondônia, Brazil;
4. Nove de Julho University, São Paulo, Brazil; and
5. Medical School of University of Campinas, São Paulo, Brazil