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According to the Intermittent Fasting site, 8 hours of sleep is part of your fasting:

http://antranik.org/intermittent-fasting/

This groks with everything I've learned about dieting and exercise. Some people like to work out in the afternoon because their bodies are at peak-warm-up. While I like to exercise first thing in the morning because my body has to find energy in my fat stores after fasting through eight hours of sleep.

Try weighing yourself before bed and when you wake up. You'll find you lose a pound or more for exhaling carbon in your sleep:

http://www.npr.org/sections/krulwich/2013/06/19/193556929/ev...

Here's how it works for me: go to bed at 9, get up at 5am, skip breakfast, and put off lunch until 1pm (drink lots of tea during the day). What I've found is that I can't eat enough calories between 1pm and 9pm to gain weight.

I think these researchers are on to something. Different dieting techniques work for different people, so it's good to have lots of options.



"Try weighing yourself before bed and when you wake up. You'll find you lose a pound or more for exhaling carbon in your sleep"

I've tried this a bunch of times and have seen up to two pounds difference on rare occasions!

A significant fraction of the weight loss is due to water loss though.

(and technically it's carbon dioxide, not "carbon", although with climate change being blamed on "carbon" we may have already lost the war on that misnomer!)


Technically just carbon is what you lose, on the overight timescale. Oxygen comes in and goes out in every breath.


Most of the weight you lose is water, you lose ~100 grams of weight from carbon loss (0.22 lbs, from 0.012g of carbon per breath).

Veritasium has a nice video on this: https://www.youtube.com/watch?v=lL2e0rWvjKI




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