Staying in becomes the new going out at the age of 29.<br /><br />A study of 2,000 adults found this is the tipping point when a night on the town is ditched in favour of being in the comfort of their own home.<br /><br />It comes after experts suggested people are boosting endorphins – or ‘indoorphins’ - simply from spending time in their abode, with 93 per cent believing it’s fundamental to their overall wellbeing.<br /><br />The research, commissioned by homewares brand, Brabantia, also found people feel happier in a home which is clutter free (34 per cent), has good lighting (22 per cent) and things that work seamlessly (15 per cent).<br /><br />Clinical psychologist Dr Angharad Rudkin, working with the brand, said: “The research indicates this feeling of euphoria, known as ‘indoorphins’ is a similar feeling to the endorphin rush you get when you’ve done a great workout in the gym.