This sounds like a classic case or carpal tunnel syndrome. When you sleep, you tend to curl your wrists in awkward positions (we all do this as a remnant of when we were inside our mother's uterus). This wrist flexion puts stress across your wrist joint, which pinches a nerve called the median nerve. When this nerve is pinched, it makes your fingers go numb, "tingly" and weak. It usually resolves in the beginning by just awakening and straightening out your wrists. However if this continues for months, the pain will last longer and longer.
Try taking some motrin (if cleared by your doctor), and use wrist splints which can be purchased at any pharmacy. Buy two splints for carpal tunnel syndrome, and wear them while you are sleeping. Take them off during the day. I am confident this will relieve your symptoms.
Good luck, and please click ACCEPT if this information was helpful.