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10YEARSDOWN SparkPoints: (2,264)
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Posts: 61
1/17/13 11:38 A

It's water loss through respiration and perspiration.
Do a google search for daily body water losses and you'll learn a lot of physiology!

ASMRAY1127 Posts: 59
1/17/13 10:22 A

Thanks for all of the feedback and sorry it took so long for me to reply. I don't think it's the batteries in the scale. I have two new ones and they both do the same thing. I do think it just has to do with fluctuation. I always weigh myself under the same conditions, right after I hop out of bed and hop in the shower every morning. Sometimes when I brush my teeth before I hop in bed I'll weigh myself, just because the scale is there. That's not the number I record on here though. I only record my morning weight. I just think that it's weird how the scale says one thing before bed and is either higher or lower in the morning. emoticon

RACHEL2WRITER SparkPoints: (0)
Fitness Minutes: (1,594)
Posts: 102
1/11/13 12:33 P

Yep, regardless of when you weigh, do it under the same conditions at the same time of day to get more accurate results.

I weigh in the morning, after using the bathroom, no clothes, right before getting in the shower. If I don't do it under those circumstances, I won't get on the scale (I know, obsessive maybe?)

And remember it will go up and down a few pounds here and there.

SCIFIFAN Posts: 1,119
1/11/13 11:53 A

I never weigh myself before bed, but I bet if I did I would be several pounds heavier than my morning weight. It's water and food eaten during the day, most of which will go away by morning, at least for me. I always go to the bathroom and weigh without clothes, but, I only do it once a week.

Our weight just fluctuates a lot during the day, for whatever reason. It's not real weight gain, as in more fat, normally. Just think of how many calories it takes (3500) to gain one pound of real weight.

I do not recommend this, but I have a couple of times not eaten anything before a drs. appt. because I wanted to weigh my least when I stepped on his scale. Even though I only had water before the appointment, my weight was usually 3 lbs. more than my wake-up weight. Do not do this--silly.

My advice is to only weigh once a week. If you have to weigh every day, just weigh in the morning. That should give you a fairly accurate idea of your base weight.

ARCHIMEDESII SparkPoints: (192,827)
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Posts: 26,682
1/11/13 11:36 A


So, you're weighing yourself before you go to bed and immediately upon waking up ? If you're not going to the bathroom or drinking water during that time, then you need a new scale. As the PP noted, water weight shifts can cause large fluctuations in scale readings. I can gain or lose as much as 3-4 pounds in a day because of water weight. In the summer, I could lose a little weight do to sweat loss.

You'd have to be sweating profusely to lose 3-4 pounds of body weight while you sleep. Which leads me to believe you may need a new scale or at least new batteries. Try changing the batteries first. That's the easiest possible fix.

Edited by: ARCHIMEDESII at: 1/11/2013 (11:37)
DRAGONCHILDE SparkPoints: (60,917)
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Posts: 9,709
1/11/13 11:20 A

It's primarily fluid shifting. Our weight is not a static number. It's a vital sign, like your temperature or your blood pressure! When you eat, that food doesn't just disappear! It adds that weight to your overall mass. As you digest, eliminate waste, and sweat, you will shed pounds. It's not true fat loss. This is one reason daily weigh-ins can be misleading, and it's always best to weigh at the same time, the same day, under the same conditions (wearing the same clothes)

Most people, I think, choose morning, before breakfast and after going to the bathroom.

After all, if you pee 8 ounces, your weight will go down 8 ounces. Eat a 12 ounce steak, your weight will go up 12 ozs. It's not permanent weight gain.

ASMRAY1127 Posts: 59
1/11/13 9:18 A

I have a question, why does my scale say I weigh one thing before I get in bed at night and then say something different in the morning when I wake up? It will be 3-4 lbs higher or lower before I've eaten or gone to the bathroom. I know things fluctuate, but where did it come from an where did it go?

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