Why do my thumbs lock up when sleeping?

You could have a condition called. “Trigger finget”. This is a real thing. It is a condition where your joints may lock in your fingers. For relief you need a shot of cortisone in your hand. read more

First time it happened to me it was my thumb also and I thought it was funny. By my 5th finger surgery it is not so funny anymore. Sometimes the shot does take it away for a year or do but it can come back. read more

I'm a 48 year old female with diabetes (last A1C at 6.0 three months ago) that has had a problem during the past month with my left thumb locking up, almost feeling out of joint, while I sleep. There is no pain involved, just a 'heaviness' in the joint that sometimes I can pull to pop it, but other times it remains that way for a few hours. read more

Musicians, manufacturing workers and farmers often develop locked joints because they make the same thumb and finger movements over and over, explains WebMD. The repeated use of a lighter can cause trigger finger in smokers. Women are more likely than men to develop this condition, and the age group most at risk is between 40 and 60 years of age. read more