well, grumpy. Made plans with friends but now can’t be bothered and would rather cry yourself to sleep than go? There’s a Grumpy Cat meme. Are you a miserable Scrooge and loathe the moment ...

but they’re not hardwired to sleep during the day and be awake all night. So why do we think they’re nocturnal? Well, return to the memes. “Many people think that cats are nocturnal because ...