<diacritize> Deborah Suchecki , researcher at a sleep study center in Sao Paulo , Brazil , comments : If people knew what is going on in a sleep - deprived body , they would think twice about concluding that sleep is a waste of time or just for the lazy . See the box above . <yor>Deborah Suchecki , researcher at a sleep study center in São Paulo , Brazil , comments : If people knew what is going on in a sleep - deprived body , they would think twice about concluding that sleep is a waste of time or just for the lazy . See the box above . 