Locked in Lucid Rhythms: A Case of Rhythmic Movement Disorder in Rapid Eye Movement (REM) Sleep.
Cureus June 1, 2026 Muhammad Farhan, Rafeek Kandy, Bayena Alblooshi
Sleep-related rhythmic movement disorder (SRRMD) is uncommon in adults. It can closely mimic nocturnal epilepsy and rapid eye movement (REM) sleep behavior disorder (RBD), creating significant diagnostic challenges. We report the case of a man in his mid-20s presenting with chief complaints of nightly head movements during sleep occurring multiple times each night. He intentionally shook his...