Sense: A gadget to change the way we sleep

James Proud’s sleep monitoring device is a step beyond those on the market, sensing a range of environmental factors to help you get a better night’s sleep

Apple Watch has designs on health industry – but is it good for doctors?

The new Apple Watch comes with health apps and has an NHS partner – but will the right patients benefit? By Sarah Boseley and Alex Hern

The case for watches. Not iWatches or ‘smart’ watches. Watches that tell time

Kelly Jasper: Instead of Apple’s new wearable device, what if we all just wore good old-fashioned timepieces?

If you do it, flaunt it. Sharing your exercise routine is no bad thing

Rupert Myers: Runners are worryingly keen to upload their penis-shaped jogging routes – but at least they’re less tedious than snaps of babies or posh food

Fitbit flex wristband review: a weight loss tracker that makes fitness a habit

Counting steps and calories adds up to shedding 5lbs sensibly

Zepp sensor review: a racket-mounted app that can improve your tennis

How to capture, measure and analyse your swings in three dimensions

LeapFrog activity tracker for kids soon to hit the shelves

LeapFrog makes a game out of physical activity, with a talking Tamagotchi-style pet that can be strapped to the wrist. By Samuel Gibbs

Can the Valkee 2 ease jet lag by lighting up ears? It didn’t for me

Valkee's bright light headset says it can help winter blues (SAD) and rid travellers of jet lag by blasting light into their ears. This traveller was hopeful, but arrival didn't bring results. By Samuel Gibbs