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Sure, you get used it. I've been using time restricted eating for years, and workout in the mornings. It was hard at first, but I guess I adapted. I rarely feel hungry and have tons of energy in the mornings. I've gotten to where I try to plan strenuous activities before my first meal because I just feel like I have a more steady state of energy.

Many people like exercising just before they eat, especially if you're doing weight training. However, if you're _performing_, instead of exercising (like running a race) then you'll likely want to eat before you start.

I am not saying IF is “junk science”. But the idea of it helps “burn fat” isn’t scientifically sound. Most studies I’ve seen saying the reason it works is because you end up eating less calories even though you’re not trying to.

I regularly do very high intensity Sports for 2 hours, after fasting for roughly for 20 hours straight

It feels normal, but it may not be for everyone

Keep in mind the Muslim elite soccer players that observe Ramadan and are doing it at the highest level