SLEEPJMay 8, 2026James R. Hall, Mercy Azubuko-Uduh, Naomi Ghildiyal et al.
Abstract Introduction Nightmares are usually associated with insomnia but rarely can arise from distinct and overlapping etiologies that can result in hypersomnia. The etiologies that need to be considered would be PTSD, acute stress disorder, nightmare disorder, depression, anxiety, medication/substance effect, narcolepsy, Idiopathic Hypersomnia. Rare causes are intracranial mass lesion, CNS...