“Have you ever woken up to find your fingertips mysteriously numb—everything feels awkward and lifeless, and you wonder, ‘Will this ever go away?’” Imagine rising in the morning, reaching for your cup of tea, and discovering that your fingertips are numb, your grip weak, and your coordination off. These unsettling sensations trace their origins to the earliest anatomists of antiquity and remain a common complaint in clinics today.