This flannel lined nightshirt from Lands End is on sale on Amazon for 40 percent off, or just $30. It’s available in blue with red piping, wintry red plaid, leopard print, and other styles.

Fast-forward to 2020 and the men's nightshirt might have been replaced by tracksuit bottoms – or, let's face it, threadbare boxers – but the loud arrival of the 'Nap Dress' in womenswear might ...