As activity tracking goes mainstream, an arsenal of consumer technology is rolling out for sleep. But how much do these interventions help?
At 2.16am, I stumble to the bathroom. I catch a glimpse of myself. The light from the red bulb is flattering – I’ve been told to eliminate all blue light on my nocturnal trek – but the sleep-tracker headband, currently emitting the sound of gently lapping waves, kills any woke-up-like-this vibe. I adjust its double straps and feel my way back to bed.
Continue reading...from Lifestyle | The Guardian https://ift.tt/2WXpghV