Some doubts on the benefits of time restricted eating being due to calorie restriction, there's pretty strong evidence I think that calorie restriction is effective because the animals tend to binge when they are fed--and then while they're waiting for their next meal, they're in a fast. A calorie-restricted meal timing protocol. A recent study showed mice benefiting from calorie restriction if they were given all their food in a lump first thing in their waking period--but the same level of calorie restriction did them no good if the food was dribbled to them right through the day.