Mark
@markmarroc
I usually do 12-16 hours fasting everyday, but this week I’m trying prolonged fasting. I’m on my 91st hour of fasting, targeting 100. The secret is the same as Dr. Banner: I’m always HUNGRY!!! 😏
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vaughn tan
@vt
18-20h has been good stable interval for me for several years — as long as not too obsessive about keeping to it all the time
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Mark
@markmarroc
Yeah, that’s something one shouldn’t do without preparation and research. The key is to listen to the body and respect the limits. Have you tried 48 hours?
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vaughn tan
@vt
what are you finding to be the effects (good and bad) of extension?
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Mark
@markmarroc
Bad findings: - The hunger between 2nd and 3rd day. Kept drinking water and coffee and away from anything eatable - Then you feel empty, but not hungry. Not bad, but its a strange and unknown feeling. - You feel weak, but you aren't. - A slightly increase of heartbeat sometimes, due to body stress.
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Mark
@markmarroc
Good findings: - Mind is fully awake. - Improved sleep, as I felt sleepy around 2 hours early than normally - My productivity spiked around 3rd day. - Reduced around 6 lbs - Saved $$$ with food! lol
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vaughn tan
@vt
with even 14-16h, i get reduced hr and hrv, much better sleep and mood, clearer thinking. so far doesn't seem to improve much if i extend past 20h. are you finding big improvements from extending duration past 20h?
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Mark
@markmarroc
Yeah, I felt the same when starting doing fasting. But prolonged, some of the effects are even more noticeable. Of course, the weight loss is exponential, but what surprised me was the level of energy in the morning and late afternoon. I guess is the fight or flight response.
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vaughn tan
@vt
not sure if that is the mechanism bc then cortisol/adrenaline would be essentially permanently elevated. which probably would be bad and also doesn't map onto lived experience of sustained IF for me. think sthg else is going on. somatic retraining!
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