Ah, the age-old "is it a bug or is it hair?" XD
Bunnies are super cute!! Yeah they aren't very active during the day, they're more active at dawn and dusk. My sister keeps her two bunnies free-roam in her room so they have plenty of space to run around and have fun and it's so CUTE when they start running around the place, and jumping around, and stealing each other's food...
Spoiler: read this if you want me to ruin the fun
I'm always kind of sad about seeing those kinds of animals in stores. They usually don't have enough space, don't have enough hiding places and aren't fed by their mother long enough. :/ Bunnies should be kept with their parents for several months to wean and socialise, if they're still "small" in the shop at that point they haven't had enough milk from their mother because they were separated too early :///////
My sister's bunnies could only be kept with their mother for 12 weeks for financial reasons (babies were a complete accident, the mother had been bought already pregnant at the pet store and suddenly their owner had six more bunnies than bargained for), that's how old they are now. The mother had stopped giving them milk a few weeks ago, the owner kept them as long as feasible for them close to the mother. We think that's why they are so well-behaved and POTTY TRAINED in comparison to the other bunnies she cared for.