question: during the night, my fingers seem to swell and in the morning a few of my fingers lock up. I researched this consition and the symptoms are similar to something called trigger finger . After movement, the locking eventually goes away, but returns if I rest my hand for a period of time. the locking fingers always feel somewhat swollen at all times. Is the locking caused by swelling? What is causing the swelling and how can I prevent it?