It’s not the time that you eat from what I’ve read. It ends up being a form of calorie restriction by reducing the number of hours that you eat.

If I come home, work out and then it’s late and I’m hungry,I’ll often just go to bed and not eat. It’s much easier dealing with hunger when you’re sleep than skipping breakfast and then trying to concentrate at work. It’s also, by definition, easier to resist temptation when you’re sleep....