Overview Suvorexant for Opioid/Stimulant Co-use Status: Not yet recruiting Trial end date: 2023-11-30 Target enrollment: Participant gender: Summary This study will evaluate whether Suvorexant 20mg reduces drug use and craving, and improves sleep and stress among persons with co-occurring opioid use disorder and stimulant use disorder. Phase: Phase 2 Details Lead Sponsor: Johns Hopkins UniversityTreatments: Orexin Receptor AntagonistsSuvorexant