Hello! There's a problem with my sleep! It just won't go into daytime …

Hello! There's a problem with my sleep! It just won't go into daytime naps! I've been trying all sorts of ways for a week now, but it runs away and doesn't sleep! It laughs, jumps around, in general does everything except sleep! What kind of regression is this? Did you have it too and how did you fight it! Sometimes I even want to just stop putting myself to bed, but I think we can't do without daytime sleep at our age...