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Is it normal to experience much better sleep when on IF?

Is it normal to experience much better sleep when on IF?

I did 3 solid months about 18 months ago and back on it doing 18:6 (for now) as well as the only drink I consume being water. Best sleep of my life when I was doing it then. Last few days have been insanely good aswell.

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Answer

There is a direct connection between Resting Heartrate Variability (HRV) and better sleep. The lower you can get your RHV while you are asleep, the better quality sleep you will experience.

Eating/Drinking (other than water) in the few hours before you go to bed will cause your RHV to stay elevated after you go to bed. So by practicing IF, you are helping your sleep by limiting the activity of your metabolism before bed, thus causing better quality sleep.

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