From fancy rings to smart apps, and even high-tech temperature-adjusting mattress toppers, the global sleep tech market is worth more than $21bn. But is our obsession actually destroying our health? Jessica Salter reports
From fancy rings to smart apps, and even high-tech temperature-adjusting mattress toppers, the global sleep tech market is worth more than $21bn. But is our obsession actually destroying our health? Jessica Salter reports Wellness, Lifestyle