Cary Grant wore them like a pro in The Philadelphia Story, James Stewart spent days in his while filming Rear Window and John Lennon stewed in some for a few weeks back in the Sixties - to wear a pair of proper pyjamas was once the height of sartorial sophistication.
But somewhere along the line we spurned the well-pressed two-piece in favour of branded boxers and faded tour T-shirts; a choice rooted in laziness and, in turn, an all-out rejection of style.
Change is afoot. Dolce & Gabbana sent pyjamas down the runway a few seasons ago and Selfridges recently reported an 80 per cent increase in nightwear sales, an upturn mirrored by online retailer Mr Porter.
Maybe it’s thanks to designers such as Sunspel and Paul Smith producing trend-led, unstuffy designs or perhaps — less optimistically — it’s that the recession has begun to impact on the way we dress at home, with more of us spending evenings in than out. Either way, it proves that you needn’t be Cary Grant to pull off (or on) a pair of pyjamas; your nighttime wardrobe should be as varied as your daytime one. Here are a few foolproof options to get you started.