Assuming that Tennisshoes count as sneakers, then almost always. Sometimes if I’m in a hurry and can’t find good socks I might not, but approximately 99% of the time I wear socks with my shoes.
The person below me plays Pokémon Go, bonus points if you have a Pokémon 2,000 cp or higher and you are the grand prize winner if you have a Pokémon with 3,000+ cp. (I do!)