12 May 2011

Less Sleep, Appetite craze

Lack of sleep not only lead to drowsiness, fatigue and loss of concentration, but also affects appetite. New York Obesity Studies Research Center of Columbia University showed that lack of sleep lead to obesity.
Those who only spend time sleeping for four hours per day tend to be consume more calories after waking, than those who slept enough.
Based on these studies, the worst effects apply to women who sleep less, with an average intake of 329 calories more than during sleep enough. While men have a tendency to increase intake of around 263 calories.
The study was conducted in order to explain the relationship between lack of sleep and being overweight. "This study demonstrates the possibility of the cause," said Marie Pierre St. Onge, Ph.D., principal investigator of a study published in the American Heart Association conference in Atlanta, beginning this weekend.
During this time, people with excess body weight is often associated with sleep apnea or respiratory disorders that cause frequent waking during sleep. However, it is unclear whether overweight causes sleep problems, or just sleep patterns that lead to overweight. Confusion is then answered Onge.
In his study, Onge involving 13 men and 13 women volunteers aged between 30 and 45, all of whom had normal weight and sleep patterns enough. All participants then quarantined in a sleep laboratory.
For six days, all participants are asked to perform two tasks under strict supervision. In the early days, they can sleep up to nine hours per night. However, at other times they are limited only sleep four hours. During the quarantine, they were not allowed to nap.
For the first four days, all participants should only be eating cereal and milk in the morning, frozen as well as dishes for lunch and dinner.
Two days, they are free to choose the menu to eat. However, they are only allowed to pocket the allowance which is determined, as well as nutritional content is clearly noted. This is so the researchers could measure it correctly.
In addition to more high-calorie foods, participants also tend to choose to eat fatty foods, and foods high in protein during sleep deprivation. "Ice cream is the most favorite," he said as quoted from page Onge Shine.
Both men and women eat more protein-rich foods during sleep deprivation. However, women consume more foods containing fat. After sleeping only 4 hours, the women ate an average of 31 grams of the above men.
According Onge, sleep deprivation, participants may find the right source to improve their condition. However, lack of sleep can also impair the ability of people to choose healthy food for him.
"Foods high in fat is more tempting and probably sleep a short time, people no longer can control himself while in conditions of adequate rest, in self denial would be easier," said Onge.
Gida Lundberg, asiten clinical professor of cardiology at the Emory University School of Medicine, Atlanta, said the findings apply to all persons, including those with normal weight.

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