Lying on your arm or hand for too long can compress nerves and restrict blood flow, leading to temporary numbness or tingling. This usually disappears quickly with movement.
Carpal tunnel syndrome:
This condition occurs when the median nerve in the wrist becomes compressed. Symptoms often include numbness, tingling, or pain in the hand and fingers, especially at night or upon waking.
Nerve compression in the neck or shoulder
Problems such as a herniated disc or cervical spondylosis can press on nerves leading to the hand, causing numbness or weakness.
