If you weigh yourself in the evening before bed, then in the morning, without going to the toilet, you usually weigh more in the morning, correct?
So where does it all go? I ask because a friend of mine was 81-82kg in the evening and 79 in the morning..
I get that you sweat and burn energy while asleep, but it can't be that much, can it?
The way I see it, weight can leave the body through sweating, the body using cals to produce heat, etc.. what else? (toilet not included)
I easily weigh 3-5 lbs less every morning. There is the dehydrating factor. I drink before I go to bed and eliminate before I weigh. There is the digesting factor. I have food unprocessed in my belly before I go to bed and digested (at least more) when I wake up. I am sure there are other reasons too. I think everyone weighs less in the AM than PM.
Respiration is a big part of it. Every high school and college wrestler in the country knows exactly how much weight they "drift' overnight.
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i goto sleep around 215-217 and wake up around 208-209. i think im on the more extreme side of things right now, im also up 2-3 times throughout the night.
I get the digestion part and stuff, but even if the food is more digested, it is still there, right? I get that you lose weight because some food goes into metabolism, heat, etc.
so you have metabolism (for heat, other body functions that need to be uphold), breathing, sweating.
I guess what I'm getting at is that I know the body does things over night, like you wake up more dehydrated, but where did all the water go? all sweat? If you ate a big meal before you went to bed, no bathroom, woke up and stepped on the scale and you weighed less than right before you went to bed, where did it all go? I just find it hard to believe that you can lose so much weight from just metabolism, breathing and sweating (feel free to add ways to weight actually leave the body)
I also weigh around 6 pounds less in the AM than I do during the rest of the day. I contribute this mainly to water weight lost through bathroom and breathing. But my question is, what number is your true weight? I mean, which number do you use for calculations for BMR and calorie calculations?.....morning weight or hydrated weight?
I get the digestion part and stuff, but even if the food is more digested, it is still there, right?
No. Is your birthday meal still in your stomach? Is its full weight still distributed throughout your body in your cells, or has most of it been converted into energy and then used?
That same mechanism is at work on last night's meal, even if it isn't totally finished yet.
Quote:
Originally Posted by karky
I get that you lose weight because some food goes into metabolism, heat, etc.
Exactly.
Quote:
Originally Posted by karky
so you have metabolism (for heat, other body functions that need to be uphold), breathing, sweating.
Exactly.
Quote:
Originally Posted by karky
I guess what I'm getting at is that I know the body does things over night, like you wake up more dehydrated, but where did all the water go? all sweat? If you ate a big meal before you went to bed, no bathroom, woke up and stepped on the scale and you weighed less than right before you went to bed, where did it all go? I just find it hard to believe that you can lose so much weight from just metabolism, breathing and sweating (feel free to add ways to weight actually leave the body)
Your breath is humid -- it has water in it. Water is fairly heavy and you have a lot of it in your body. Eight hours of breathing, especially for open-mouthed sleepers, can expel a lot of water.
It sounds to me like you understand all of the mechanisms going on; you're just underestimating them.
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No. Is your birthday meal still in your stomach? Is its full weight still distributed throughout your body in your cells, or has most of it been converted into energy and then used?
That same mechanism is at work on last night's meal, even if it isn't totally finished yet.
Exactly.
Exactly.
Your breath is humid -- it has water in it. Water is fairly heavy and you have a lot of it in your body. Eight hours of breathing, especially for open-mouthed sleepers, can expel a lot of water.
It sounds to me like you understand all of the mechanisms going on; you're just underestimating them.
thanks, exactly what I was looking for. It's just hard to wrap my head around that so much weight disappears :p
evening weight vs morning weight
That is until I eat something 
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