Waking up to some harsh truths on sleeping...
Half of those who took part in the study described themselves as sleep deprived.
People are least successful at getting their heads down in Aberdeen, where the average resident sleeps for just five hours and 23 minutes per night.
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Hide AdMeanwhile those living in Norwich are top sleepers, spending six hours and 38 minutes switched off from the world per night.
The survey, commissioned by multimedia retailer QVC, questioned more than 3,000 people across the UK about their sleeping patterns.
Nearly two thirds (64 per cent) said lack of sleep was to blame when they felt irritable, while 56 per cent said it left them unable to concentrate, and 37 per cent said it made them crave sugary fatty foods.
Aberdeen, the capital of sleep deprivation, is closely followed by Chelmsford, where the average nightly sleep is just five hours and 26 minutes, and Belfast, where residents sleep for five hours and 35 minutes.
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Hide AdBirmingham came in fourth, five hours and 42 minutes, while Gloucester was fifth at five hours and 47 minutes.