There's a balance to be had here. I've tried to "be creative" all the time and it just doesn't work. You need those moments idly scrolling Reddit or HN (or going for a walk outside, or vegging out with TV or videogames) for your brain to a.) have new stimulus to process and b.) have time to process it.

I'd be terribly unhappy if all I did was surf Reddit, but I was also equally unhappy when I just tried to work, produce, and learn all the time.