They are very lazy. My cats sleep during the day, but at night they want to play. However, I love them and I enjoy a lot the way how they drink water from their harmony cat fountain from https://petsquick.com/harmony-premium-cat-fountain-review/. I don't think that cats are useless creatures, because always after a bad day of work they stay near me that calms me a lot and also makes me forget everything. They are nice and helpful creatures.