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Sunday lie-ins don’t make up for the lack of sleep in week

WEEKEND lie-ins do not compensate for lack of sleep in the week, a study warns.

Researchers tested three groups to see if extra sleep at weekends could cut the risk of obesity and diabetes — health problems associated with lack of sleep.

The first group had a solid nine hours sleep for nine nights and the second group had five hours for nine nights.

The third set had five hours for five nights followed by a weekend sleeping as much as they liked then two days of restricted sleep.

The two sleep-deprived groups snacked more and gained weight. The third set cut back on the weekend but ate more when sleep was restricted again, the University of Colorado study found.

Asst prof Christopher Depner said: ‘Catch-up sleep does not appear to be an effective strategy to reverse sleep loss induced disruptions of metabolism.’