Does anyone have a similar experience or any links to information on this topic? For me, its weird and pleasant, but I want to know why. I’m an experienced faster and I’ve done numerous 16 day, 13 day, 8 day fasts etc. However, during all those fasts I have felt being colder during extended fasts. Not unpleasant, since my cold tolerance is quite high. However this fast, I’ve felt even hot during fasting. I am currently on day 6 and sleep with my fan on and window open in 14C weather. Wondering what changed for my metabolism to go up with extended fasting. To my knowledge, it was common for it to go down with extended fasts. I have watched a lot of jason fung’s stuff, and in some lectures he presents that metabolism goes up during intermittent fasting and 48h fasts. No extended fasting was presented, but I am pretty certain it goes down with extended fasts. Does anyone know why this is or has a similar experience?
In one of Jason Fung’s book he explains in details how fast your metabolism increases during an extended fast. Everyday you can use more energy from fat.
And I can confirm that around the 15th day, I had totally normal energy level.