I'm no expert but I have been doing Intermittent Fasting (IF) since September and I've lost 9kg/ a stone.
I eat breakfast at 7:30, lunch and the tea at 4. So my eating window is finished by 4:30pm. So it's a 9 hour eating window and 15 hours of fasting.
I haven't read any books about it but I do listen to podcasts about it.
open.spotify.com/episode/7hKdAJpfDEeRnGDEo42MWP?si=RpKRylgHTb6nJtmBPPH9dg
open.spotify.com/episode/5YEfEhHllXaFxiEO6WZxMq?si=11rhciaDSkKj_V8p2mAU6w
I don't know anyone in real life who does IF so thought there would be a community here.