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Have you ever wondered why you are hungrier than usual if you do not get athe good night's sleep? Researchers from athe University of Chicago say they have found one reason. Their study reveals that athe lack of sleep makes people hungrier athe following day. Sleeplessness releases chemicals in athe brain that enhance the pleasure derived from eating, which also makes us eat more. We want to eat food that is high in calories. The researchers found that sleep-deprived people craved crisps, sweets and biscuits far more than healthier foods. athe researchers also reported that people in athe study who did not get enough sleep ate up to twice as much fat content as when they had slept for eight hours.

athe study was conducted on 14 male and female volunteers in their twenties. They were observed by researchers in two different situations. In one, they spent 8.5 hours in bed each night and averaged 7.5 hours of sleep. In athe other, they spent just 4.5 hours in bed and averaged 4.2 hours of sleep. athe researchers noted that in athe first situation, athe subjects ate three meals a day, as normal. However, in athe second situation, where they had been deprived of sleep, athe volunteers were unable to resist what athe researchers called "highly palatable, rewarding snacks". This happened just 90 minutes after they had eaten athe meal that supplied them with 90 per cent of their required daily calories.