A sleepless night can easily find a person craving high-energy junk food like doughnuts and pizza the next day. Now a new study has figured out just what is going on in the brain to drive this.It is a common observation that people who do not get enough sleep, often start to favour energy-dense sweet and fatty foods which are not so good for the risk of weight gain. Just … [Read more...] about Why you crave junk food after a sleepless night