Lets say you just pulled an all-nighter for school, and the next day is jam-packed and you have no time for a nap.

What is the best thing to do fitness-wise? do i eat less calories because of my tired body/slowed metabolism?

Do i eat MORE? do i eat the same?

I know working out is a bad idea, so im not going to do that.

Let me know your ideas...

Lets say you just pulled an all-nighter for school, and the next day is jam-packed and you have no time for a nap.

What is the best thing to do fitness-wise? do i eat less calories because of my tired body/slowed metabolism?

Do i eat MORE? do i eat the same?

I know working out is a bad idea, so im not going to do that.

Let me know your ideas...

When you get the answer let me know lol. I really need a nap today but my 3 year old twins are refusing to let me. Boy do I need some sleep.

Pam

Sorry I was of no help

no sleep puts your hormones into fat-saving mode. I think working out would exascerbate that. Better to use the time you would have exercised to nap. Just an opinion.

Of course, I used to run 4 miles after getting home from a 36 hour shift. Back when I was foolish and young. Eventually that kind of behavior caused my hair to start falling out. Don't think you can build muscles if your body is so stressed your hair is falling out.

Here is the article about the hormone thing I was referring to: (same as the one in the polyphasic sleep post at the bottom of the page - my apologies if you've laready read it)

***
(for easier reading - leptin is a hormone that suppresses appetite/weight gain, ghrelin is a hormone that does the opposite, or more clearly with respect to fat loss leptin=good, ghrelin=bad.)

Dec. 7, 2004 — Sleep deprivation alters hormones and increases appetite, according to the results of a brief randomized study published in the Dec. 7 issue of the Annals of Internal Medicine. The editorialists suggest that getting enough sleep may help reduce weight gain.

"Total sleep deprivation in rodents and in humans has been associated with hyperphagia," write Karine Spiegel, PhD, from the University of Chicago in Illinois, and colleagues. "Over the past 40 years, self-reported sleep duration in the United States has decreased by almost two hours."

In this two-period, two-condition crossover clinical study, 12 healthy men were randomized to two days of sleep restriction (four hours per night) and two days of sleep extension under controlled conditions of energy intake and physical activity. Mean age was 22 ± 2 years, and mean body mass index (BMI) was 23.6 ± 2.0 kg/m2. Outcomes were daytime profiles of plasma leptin and ghrelin levels and subjective ratings of hunger and appetite.

During sleep restriction, there was an 18% decrease in the anorexigenic hormone leptin (P = .04), 28% increase in the orexigenic factor ghrelin (P < 0.40), 24% increase in hunger (P < .01), and 23% increase in appetite (P = .01), especially for energy-dense foods with high carbohydrate content (increase, 33% to 45%; P = .02).

Study limitations were small sample size, lack of generalizability, and lack of measurement of energy expenditure.

"Short sleep duration in young, healthy men is associated with decreased leptin levels, increased ghrelin levels, and increased hunger and appetite," the authors write. "Additional studies should examine the possible role of chronic sleep curtailment as a previously unrecognized risk factor for obesity."

The National Institutes of Health, the University of Chicago, the European Sleep Research Society, and the Belgian Fonde de la Recherche Scientifique Medicale supported this study. The authors report no potential financial conflicts of interest.

In an accompanying editorial, Jeffrey S. Flier, MD, and Joel K. Elmquist, DVM, PhD, from Beth Israel Deaconess Medical Center in Boston, Massachusetts, wonder if controlled studies should be designed to measure the effect of sleep-promoting interventions on appetite and body weight. However, they note that this study does not prove a cause-effect relationship between the hormone levels and hunger and dietary intake. Other factors, such as cortisol or orexin, may affect sleep and body weight regulation.

"If the findings prove to be reproducible and generalizable, and the hormonal changes of leptin and ghrelin due to sleep curtailment cause changes in food intake over time, we might add sleep duration to the environmental factors that are prevalent in our society and that contribute to weight gain and obesity," the authors write. "Although recommendations to get both a better night's sleep and more exercise might superficially seem to be at odds with each other from the perspective of energy expenditure and energy balance, these simple goals may well become a part of our future approach to combating obesity."

Ann Intern Med. 2004;141:846-850, 885-886

Interesting...

So basically what your saying is - not to pull allnighters (which there's no taking back), not to excersize today (which i said i wasnt going to), and instead to take a nap (which i said i couldnt). ;)

:spaz: <--i wish i was more like this smilie right now.

What my common sense tells me is - if i eat at least ill keep most of my strength, yet probably store some fat - but if i starv myself for 1 day i lose my strength. i guess its picking between a lesser of 2 evilz, and keeping it high protien if i can.



Here is the article about the hormone thing I was referring to: (same as the one in the polyphasic sleep post at the bottom of the page - my apologies if you've laready read it)

***
(for easier reading - leptin is a hormone that suppresses appetite/weight gain, ghrelin is a hormone that does the opposite, or more clearly with respect to fat loss leptin=good, ghrelin=bad.)

Dec. 7, 2004 — Sleep deprivation alters hormones and increases appetite, according to the results of a brief randomized study published in the Dec. 7 issue of the Annals of Internal Medicine. The editorialists suggest that getting enough sleep may help reduce weight gain.

"Total sleep deprivation in rodents and in humans has been associated with hyperphagia," write Karine Spiegel, PhD, from the University of Chicago in Illinois, and colleagues. "Over the past 40 years, self-reported sleep duration in the United States has decreased by almost two hours."

In this two-period, two-condition crossover clinical study, 12 healthy men were randomized to two days of sleep restriction (four hours per night) and two days of sleep extension under controlled conditions of energy intake and physical activity. Mean age was 22 ± 2 years, and mean body mass index (BMI) was 23.6 ± 2.0 kg/m2. Outcomes were daytime profiles of plasma leptin and ghrelin levels and subjective ratings of hunger and appetite.

During sleep restriction, there was an 18% decrease in the anorexigenic hormone leptin (P = .04), 28% increase in the orexigenic factor ghrelin (P < 0.40), 24% increase in hunger (P < .01), and 23% increase in appetite (P = .01), especially for energy-dense foods with high carbohydrate content (increase, 33% to 45%; P = .02).

Study limitations were small sample size, lack of generalizability, and lack of measurement of energy expenditure.

"Short sleep duration in young, healthy men is associated with decreased leptin levels, increased ghrelin levels, and increased hunger and appetite," the authors write. "Additional studies should examine the possible role of chronic sleep curtailment as a previously unrecognized risk factor for obesity."

The National Institutes of Health, the University of Chicago, the European Sleep Research Society, and the Belgian Fonde de la Recherche Scientifique Medicale supported this study. The authors report no potential financial conflicts of interest.

In an accompanying editorial, Jeffrey S. Flier, MD, and Joel K. Elmquist, DVM, PhD, from Beth Israel Deaconess Medical Center in Boston, Massachusetts, wonder if controlled studies should be designed to measure the effect of sleep-promoting interventions on appetite and body weight. However, they note that this study does not prove a cause-effect relationship between the hormone levels and hunger and dietary intake. Other factors, such as cortisol or orexin, may affect sleep and body weight regulation.

"If the findings prove to be reproducible and generalizable, and the hormonal changes of leptin and ghrelin due to sleep curtailment cause changes in food intake over time, we might add sleep duration to the environmental factors that are prevalent in our society and that contribute to weight gain and obesity," the authors write. "Although recommendations to get both a better night's sleep and more exercise might superficially seem to be at odds with each other from the perspective of energy expenditure and energy balance, these simple goals may well become a part of our future approach to combating obesity."

Ann Intern Med. 2004;141:846-850, 885-886