Definition: "Naursen's Syndrome" - refers to a neurological condition where muscles become weak, causing difficulty in movements such as walking, standing, or even sitting. - Causes are unknown; it can run in families, but no specific gene has been found associated with its onset. - Symptoms vary from mild to severe, and include: - Difficulty moving a limb - Loss of coordination - Muscle weakness - Sleep disorders due to decreased sleep quality The word 'Naursen's Syndrome' is the term used in medical studies for a rare neurological condition known as nausen syndrome.