Patients with schizophrenia often present sleep complaints [1], even while being medicated and clinically stable, which can negatively affect their quality of life [2] and be sufficiently severe to warrant clinical attention.
Nowadays, besides symptomatic control, the aim of clinicians is to improve schizophrenia patients’ social functioning, quality of life, and satisfaction with life (SWL). To accomplish this, physiologic sleep may be necessary.