HERE are some useful information that you would like to know, but not if you are a session player.
If you're sitting in the office for the day, you're burning more calories in the afternoon
And you can thank the seven poor who have suffered what looks like the worst study in the world to find out.
Researchers found that 10% more calories burned in the late afternoon and early evening when they put the small group through a grueling regimen.
They lived inside a special laboratory and had no clue as to what time it was outside and every night they spent the night going to bed for four hours.
This has triggered the internal synchronism of the body so researchers could discover this daily cycle of resting metabolism.
There were no clocks, windows, telephones or the internet and the participants had assigned schedules to go to bed and wake up.
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Every almost t, when times were adjusted four hours later, was the equivalent of traveling west across four time zones every day for three weeks.
Researchers say this information could be helpful because shift schedules tend to lead to weight gain or irregular eating and sleeping.
They say the findings also reinforce the important role of the circadian clock in government metabolism.
"The fact that doing the same thing at just one hour of the day burned so much more calories than doing the same thing at another hour of the day surprised us," said Kirsi-Marja Zitting, of the Brigham and Women's Hospital and Harvard Medical School.
"Because they were doing the equivalent of turning the globe every week, their inner body the watch could not keep up, and then swung at its own pace."
The co-author Jeanne Duffy said the study showed that it was not just what we ate, but when we ate and rested it affected the amount of energy we burned or registers as fat.
"The regularity of habits such as eating and sleeping is very important for general health," he said.
Researchers will now look at how appetite and body response to food vary with day time.
They also examine how the timing, duration and regularity of sleep affect those responses.