(TELEGRAPH) -- The risk of having a heart attack peaks at 10pm on Christmas Eve, scientists have found, suggesting that stress, sadness and over-indulgence during the festive season can be deadly.

Swedish researchers trawled through the details of 283,000 heart attacks reported in Sweden between 1998 and 2013 to find out what days were the most lethal.

On an average day, 50 heart attacks were recorded, but on Christmas Eve the number jumped to 69, a 37 per cent increase, with incidents clustering around 10pm, after a day of coping with relatives, eating and drinking too much.

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