👉 Somnambulists are a medical specialty that focuses on diagnosing and treating conditions related to sleep disorders, including insomnia. They often use techniques such as polysomnography (PSS) or electroencephalogram (EEG) to monitor the quality of sleep and assess the quality of REM sleep. Somnambulists may also refer to individuals who have a history of chronic insomnia or other sleep disorders, and they may provide advice on lifestyle changes or treatments based on their diagnosis