A recent study has shed light on the fact that sleepless nights increase the carving for junk food. One gets all the more eager to have doughnuts or pizza, if he has not received appropriate amount of sleep. Rather than consuming good whole grains and leafy green vegetables, such sleep-deprived people tend to have more junk food.
A research conducted by the researchers from UC Berkeley studied brain regions that control food choices. After studying the regions of brain, they found an association between obesity and poor sleep.
It states that sleep deprivation can cause more craving for junk food rather than healthy food. The researchers studied with the aid of magnetic resonance imaging (fMRI). They scanned the brains of 23 healthy young adults for the study. The researchers studied the brain in two stages. First, they studied the brain after normal night's sleep and next, after a sleepless night.
According to a UC Berkeley professor of psychology and neuroscience and senior author of the study, Matthew Walker, "What we have discovered is that high-level brain regions required for complex judgments and decisions become blunted by a lack of sleep, while more primal brain structures that control motivation and desire are amplified".
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