Thoracic Outlet Syndrome

Arm numbness during sleep is a characteristic symptom of thoracic outlet syndrome. Raising your arms narrows the space between the clavicle and ribs and pulls the nerve bundles under the pectoralis minor muscle; therefore, those who sleep in the "arms up" position frequently wake up in the early morning due to numbness. The safest position is to lie on your back with your arms slightly lower than your heart and beside your body. When lying on your side, position the side of compression upward and support the weight of your arm by hugging a pillow. A low pillow is recommended to prevent the neck from bending. Perspective of a Korean Medicine Clinic

In Korean medicine, numbness that worsens at night holds significance. Since night is a time when the body's circulation slows down, stagnation that was held back during the day becomes apparent; this is a common symptom when stagnant blood has taken root. For those with occupations that involve standing and using their arms all day, it is common to find a type where energy is depleted and circulation is blocked, compounded by stagnant blood. At Dongjedang, we relieve tension in the scalene and pectoralis minor muscles with acupuncture. If adhesions are confirmed, we separate them using fine needles under ultrasound guidance. We combine this with herbal medicine treatment to replenish energy depleted during the day and flush out stagnant blood and waste products, thereby boosting circulatory power at night. In clinical practice, we frequently observe cases where early morning numbness, which could not be adequately addressed by posture correction alone, decreases as overall systemic circulation recovers.