Little Worm things

[Janet]

Do any of you know what I can do for these little worms in my house? They are really narrow, little bigger than a pencil lead and no longer than an inch. They don't hump up in the middle when they move, just slither. I first noticed them last fall and just picked them up and threw them away. Didn't see any all winter or summer, but they are back again. I hate the thought of these little worms in my house. They don't climb walls or anything like that, I only find them on the floor. Usually one or two a day. What are these and what can I do to get rid of them? I don't want to call an exterminator, too afraid the furbabies would get sick.