If you're practicing a TRF routine - is there an ideal eating window?

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Should you fast early or late in the day? It's an understandable question and it creates a lot of confusion. The reason for that is we don't really know the answer for certain. The research on this has largely focused on non-human models such as rodents and of course we're not mice, so we have to take those results with a grain of salt, but these questions have been posed, albeit somewhat clumsily in humans. 

"Early TRF" means eating early and fasting late, while "late TRF" is the opposite, Fasting early, eating late. Generally speaking, an earlier feeding window produces a better metabolic output, better sleep though it comes at a social cost. In my mind that's the tug between early versus late time restricted feeding. I don't think that either of these should be discounted and instead each person has to work out what the best balance is for them. 

Personally, because I have kids and eating dinner with my kids is such an important priority, I take a hybrid approach. If I'm doing a late feeding window, which is my usual choice, I'll have a larger meal earlier in that window, say 2:00 PM, and we'll have an early dinner. Because my kids are young enough, I'll have the best of both worlds. I still get to have dinner with them, but it's not a huge meal at the end of the day such that it doesn't perturb my sleep.

Peter Attia - FastEarlyorLate - Launch MASTER_041220.mp4.vtt

Is It Better to Fast Early or Late in the Day?

Is It Better to Fast Early or Late in the Day?

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