Timing of meals seemed to have a bearing on weight management as scientists found that those who ate late in the day lost much less weight than those who ate early.
So, those wanting to lose weight should look at not just what they eat but the timings of their meals.
Researchers found that despite equal calorie consumption and use of energy, those who ate lunch late shed fewer pounds than those who ate lunch early.
Recent research in animals and humans revealed that energy regulation and laying down of adipose tissue (fat) is dependent on circadian rhythm, which when altered can disrupt metabolism.
Further, tests on mice revealed that mice fed at night gained more weight than mice fed during the day, even though both groups ate the same amount of calories and expended the same amount of energy.
Professor Scheer said: "This is the first large scale, prospective study to demonstrate that the timing of meals predicts weight-loss effectiveness."