Recent research from UC Berkeley scanned the brains of 24 participants after both a good, and a bad, night’s sleep (Greer et al., 2013).
After disturbed sleep, there was increased activity in the depths of the brain, which is generally associated with rewards and automatic behaviour.
The frontal lobes, just behind and above the eyes, which help provide self-control, were less active.
The finding may help explain why the sleep-deprived are more likely to give in to calorific temptations.
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