501: PREVALENCE OF CHRONIC DISEASES AND SUBSTANCE ABUSE ASSOCIATED WITH ORGANIC SLEEP DISORDERS. (15th December 2022) - John, Jobby; Ali, Mariya; Sathiyanarayanan, Rajalakshmi; Sinha, Neelima; Polavarapu, Sudheera; Kasinede, Tejaswini; Dabbara, Rishika; Jaiswal, Richa; Shah, Viray; Patel, Digantkumar; Manjani, Lokesh; Venkata, Vikram Samala; et al.