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| Sleeping and weight loss? (Read 438 times) |
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posted: 5/9/2008 at 8:29 PM |
I'm just curious why I consistently weigh 1 to 2 lbs lighter when I wake up in the morning. I sometimes weigh myself in the evening just before bed and then again in the morning right after I wake up. I weigh myself in my birthday suit and don't go to the bathroom between. Could my body be working that hard while I sleep? If you're thinking it is bedtime aerobics  that is not always the case. |
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| view log Funky Monkey |
posted: 5/9/2008 at 9:08 PM |
Fluid losses. You exhale moistened air and you pee. Some nights you may also sweat.
It is all fluid losses. |
| It's all fun and games until the flying monkeys attack. |
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posted: 5/10/2008 at 12:02 AM |
When you sleep (especially if you do lots of physical activity) you'll go through more non-REM sleep and that will allow your body to repair itself. It will literally be using up energy stores to rebuild/fix tissues - and you'll use up glucose/fat to keep your body doing normal body functions (so you are going to lose some weight - especially since your using up stuff to keep those processes going).
And same with what Trent and obie said - you'll be using water as well.
On top of all that, you always weigh less in the morning and more in the afternoon as during the day you are compressing all of your muscles/vertebrate and adding pounds through food and water.
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| Steph |
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| view log I did it! |
posted: 5/10/2008 at 12:06 AM |
When I was obese I would fluctuate night until morning (same thing but weighing after my morning pee)... about 4-6 lbs.
Now I generally fluctuation 2-4 lbs. |
2008 goals
Cleveland Marathon < 3:59:59 3:38:48sub 22:00 5k 20:46 HH firecracker 5000- PR in the 15k this fall
- Have more fun = run more
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| view log Bif! Bam! Pow! |
posted: 5/10/2008 at 12:44 AM |
I really sweat a lot in the early morning hours. I normally get up at 5 or so, but on the rare occasion that I sleep in I will weigh significantly less. I have gotten up at 5, weighed and gone back to bed and woke up again at 7 and weighed 2 lbs less. Yet another good reason to sleep in.
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Beware the Pink Boxing Gloves of DOOM!
"It's not enough to bash in heads, you've got to bash in minds" - Captain Hammer
2008 Goals New PR's in 5K 10K HM, M
Faster than a speeding toddler..... |
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posted: 5/10/2008 at 6:44 AM |
| Thanks for the replies. Your answers all make sense. I guess during the day I'm constantly replenishing fluids, while at night they are just going out. I didn't realize it was so much. |
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| view log Funky Monkey |
posted: 5/10/2008 at 12:02 PM |
| Quote from rockintrax on 5/10/2008 at 12:02 AM: When you sleep (especially if you do lots of physical activity) you'll go through more non-REM sleep and that will allow your body to repair itself. It will literally be using up energy stores to rebuild/fix tissues - and you'll use up glucose/fat to keep your body doing normal body functions (so you are going to lose some weight - especially since your using up stuff to keep those processes going).
Yes. But this only accounts for a couple ounces at most. |
| It's all fun and games until the flying monkeys attack. |
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| view log less Fat Boy runnin' |
posted: 5/16/2008 at 5:20 AM |
| Quote from Ennay on 5/10/2008 at 12:44 AM: I really sweat a lot in the early morning hours. I normally get up at 5 or so, but on the rare occasion that I sleep in I will weigh significantly less. I have gotten up at 5, weighed and gone back to bed and woke up again at 7 and weighed 2 lbs less. Yet another good reason to sleep in.
If that's the case, then I'm sleeping for the next 3 weeks straight  I have another 25# to lose.
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Goal:weigh 180# BMI 28- lower that to healthy range to 155-160# (work in progress)
5K PR:27:14 June 28,2008- first race (3rd in age group)
5K NEW PR:26:40 - July 19, 2008
10K PR: in training using 1/2 Maraothon training program just because
HM PR: just a fleeting thought right now
26.2 PR: maybe in 2 years? |
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posted: 5/21/2008 at 8:53 PM |
| Quote from Ennay on 5/10/2008 at 12:44 AM: I really sweat a lot in the early morning hours. I normally get up at 5 or so, but on the rare occasion that I sleep in I will weigh significantly less. I have gotten up at 5, weighed and gone back to bed and woke up again at 7 and weighed 2 lbs less. Yet another good reason to sleep in.
The same exact thing happens to me!!! Definitely reason to sleep and not workout in the morning. I mean, what if I missed those 2 lbs every day? Surely there is something very scientific here  |
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