What are warning signs and symptoms of carpal tunnel syndrome?

Numbness. Numbness and tingling in the lateral 3 fingers, meaning thumb and index and middle fingers worse at night or when you wake up.
Pain and/or numbness. Carpal tunnel syndrome (cts) is a compressive neuropathy of the median nerve. The nerve is compressed at the wrist, causing numbness/tingling in the thumb, index, long and half of the ring finger. The symptoms start intermittently and can progress to constant, and are worse at night. Eventually, your grip can become weakened and tasks involving use of the hands can become difficult.