@gramm I also have severe carpal tunnel in my hands and sometimes at night when I'm sleeping on my side I will get the tingling and numbness in my hands, wrists and arms which wakes me up. I am usually able to shake it off after a few minutes though. Have you tried any hand exercises to help?

Therapeutic Exercise Program for Carpal Tunnel Syndrome
-- https://orthoinfo.aaos.org/en/recovery/carpal-tunnel-syndrome-therapeutic-exercise-program/