The biggest reason for 37 being the cut off age apparently is because most people aren't able to 'face the hangovers' or can't be bothered dressing up, sorting out baby sitters etc.

Matt Wallburn from Currys PC World said "The Great Indoors study recognises the fact that there comes a time when we appreciate our home comforts more than a hectic social life and it can often be a drag to play the social butterfly at parties and nights out".