ok, but for example if the bot hasn't been used for like 30 minutes it will do this, is that normal?

We will deploy multiple enhancements in the coming days to make the experience smoother for free tier users.

thanks! Is there something I can pay for to avoid this issue though? Just wondering. Or is there a way or a trick to keep it awake?

I would suggest letting us know early next week, if the new experience runs better for you.