Overnight, you digested food, produced hormones, dreamt, fidgeted and rolled, snored, breathed, your heart beat, your liver did what livers do, your internal body temperature was regulated.
All of these require energy - calories. You burned calories overnight.
Some of your overnight weight loss is water escaping as evaporation, through breathing and sweating. But also there's just your body going about the business of being a body. That is your MAJOR calorie burner every single day anyway, and it doesn't stop when you sleep.
So your body converted some fat stores into the energy needed to power all those systems. When you eat, it'll replenesh those stores.
Your body is constantly dancing the stored fat dance - all you can hope is that over time the overall trend is towards depleting stocks rather than increasing them.
Just to muddy the waters, since all a scale measures is the force of gravity on a body at a given time environmental factors are at play. If the phases of the moon can affect the tides what does that potentially say about the effect on the human body: Since atmospheric pressure can affect air density it can also have an effect on the human body.
Final note, all household scales are marked not to be used for trade which indicates to me they have a built in error factor. Body measurements. the tale of the tape, are the most accurate way to measure progress.
It is called WORK-ing out for a reason.
I said getting fit was simple, I did not say it was easy.
Cardio burns calories, strength work burns fat.
Eat well to lose weight, exercise to get fit
You can not build a six pack using twelve packs
Often when we seek a magic bullet for fitness we end up shooting ourselves in the foot.
"I think calories are little germs in food that all moms are afraid of" Dennis the Menace
Fitness Minutes: (64,745)
748 1/25/13 12:04 P
I weigh myself when I first get up in the morning (after I pee). When I get back home later in the day, I like to weigh myself, just to see if there was a difference from the morning. Sometimes, I'm a pound or two lighter. Sometimes, I'm the same weight. Then sometimes, I might be half a pound to a pound or so heavier. I don't worry about it too much. I know that after donating platelets, I'm about a pound or so lighter, no matter how much I ate or drank earlier that day. It does surprise me that some people's weight can fluctuate as much as 5 to 10 lbs a day.
I don't worry too much about what the scales say. I like to track my daily weight so to get a long term perspective of my weight loss goals. I actually have an excel spreadsheet showing my daily weight, with a weekly average. Then, I have monthly averages going as far back as January 2011. It's rather interesting. I know that many people would get discouraged and there have been times when I didn't have access to a scale, but when I was able to weigh myself again, found that I hadn't gained or lost anything. Of course, I also look at the measurements and inches lost too.
Edited by: FIELDWORKING at: 1/25/2013 (12:07)
Fitness Minutes: (14,252)
9,691 1/25/13 10:30 A
Your body is breaking down the food you eat, the water you drink, and you're sweating, breathing and moving constantly. Your weight isn't a static number, as you've discovered. It's more of a vital sign, like your blood pressure or your body temperature. It can fluctuate even 9 lbs in a day! I've seen that one on my scale.
It's best to weigh once per week, at the same time of day, under the same conditions, to get a stable picture of weight loss. It doesn't matter what the numbers are, only that there is a general downward trend over time.
Heather Writer, mother, wife, and breadwinner. I love to run, but running doesn't love me, so I'm switching to my low-impact bike.
Don't quote me, I don't know about a magical missing pound... but think about how much water vapor you lose just from breathing. Ever lived anywhere cold? That's why you can see your breath. Ever breathed your hot breath on a window and watched it fog? During winter months, though you might not be sweating, your still losing water through your skin from the dry air, hence why people tend to get chapped lips and dry skin during winter months. If you live somewhere hot, sweating can have the same effect. Hence why wrestlers trying to fit into their weight class by a pound or two will wear garbage bags and run around.
Fitness Minutes: (5,574)
11 1/24/13 3:06 P
You will be surprised on how quickly your body becomes dehydrated, but the reason your weight fluctuates is because of the water in your body and yes dehydration.
My trainer has also said that the fat cells that we work off tend to fill with water and that's why our body fluctuates, as your body dispenses the water through sweat or bowel movements you weigh differently. Also depending on the foods you eat.
Fitness Minutes: (7,311)
1/24/13 2:45 P
I recently bought my first scale and I've been having a lot of fun with learning how my weight fluctuates throughout the day. One thing I've noticed is that when I'm completely ready for bed, I'm a certain weight, and the next morning (same clothes, no water or food, no going to the bathroom), I weigh about a pound less. I've noticed this over the course of several days and I'm wondering what's up. Surely I'm not losing a pound of hair/skin/moisture to the air and my bed every night, am I?
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