However, in other parts of the world, couples who share a bed may opt to use two single duvets rather than one double or king-size duvet. Often dubbed a Scandinavian sleep hack, this method of ...

Aly Lopez is a writer on the sleep team at CNET. She tests, researches and reviews everything sleep-related, from mattresses and bedding to sleep trends and hacks to sleep technology and supplements.

A small double, or queen-size, mattress measures 120 x 190cm (approximately ... Following this advice would mean, for instance, that for a king-size bed (150 x 200cm) you'd need a 6 x 8-metre bedroom.

A smart bed can revolutionize your sleep by learning about your sleep needs and adjusting to your nighttime preferences. With plenty of quality king size options out there, bedsharers, hot ...