It was probably Chucky you watched. The movie had a bad interpretation of dolls and teddy bears. I think it also contributed to my not liking dolls after seeing the movie.
Sometimes when I see children playing with dolls or teddy bears and leave them at a spot, I feel the teddy changing position without being afraid of its owner.
I did watch Chucky , anytime I see a teddy bear with a kid I look at the bear till the kid moves away just to be sure it's not moving