About S.R. Pandi-Perumal Books by S.R. Pandi-Perumal Sleep and Neuropsychiatric Disorders by (author) Ravi Gupta edited by David N. Neubauer & S.R. Pandi-Perumal Melanin-Concentrating Hormone and Sleep Molecular, Functional and Clinical Aspects by (author) S.R. Pandi-Perumal edited by Pablo Torterolo & Jaime M. Monti