Sleep is a big deal – 60% of Americans crave it over sex. But traditionally a good mattress is an investment, costing up to $3,000. Tuft & Needle is changing that. It offers an affordable, high-tech design that means your partner won’t feel you’re there, or that their wallet is a new bed lighter.

From the Wonderbra of the '90s to today’s T-shirt bras, what we find sexy shifts with social changes. So what are women wearing under their clothes in 2015? Has the focus shifted from breasts to bums? Has Fifty Shades of Grey unleashed consumer kinkiness? What do women want from their bras and pants?

In the 50s we used to sleep eight hours a night. Nowadays the average is six and a half. Why have we become less keen on a proper night’s keep? Does our modern lifestyle promote sleep deprivation, meaning we’ll stay awake as long as it takes to consume as much online as possible?

Ever wanted to wear your pyjamas to work? Once, people would have never dreamed of doing so, but wearing nightwear outside is growing in popularity. With fashion designers showing the look on catwalks, even celebrities like Rihanna have embraced the trend.