Ever Felt That Amazing High from Fasting?

Salam, everyone! I'm not Muslim myself, but I've always admired Islam as a truly beautiful faith. I've visited many mosques and have picked up more knowledge about the pillars of Islam than most folks who aren't Muslim. I've tried fasting a few times before, with my longest stretch being 7 days on just water. Last night after dinner, I started another fast and haven't eaten since-so it's been around 24 hours now. Every time I fast, I get this incredible, hard-to-describe feeling of euphoria. It just makes me feel so good. I'm really curious: do you, as Muslims, experience this too when you fast? Does it leave you feeling more alert, energetic, and stronger? I often wonder-is this a spiritual thing, or is it purely biological? Could it be connected to joining in with the global community of people who fast?