Sleep sensors: waking up to the need to study our night’s rest

Many people are turning to fitness trackers to help boost the health benefits of better sleep

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

Siesta app comes to custom’s rescue as Spaniards lose the urge to snooze

SiestApp promises to leave users more rested than after a normal nap as figures show only 10% of Spaniards find time for a siesta

77% in developed world are happy but wish life was simpler, says poll

Survey of 16,000 people finds widespread contentment, but few optimistic about prospects for the planet

There’s a fitness tracker for vaginas. Quantifying your life has gone too far

Jess Zimmerman: Biofeedback is great ... right up until you use it to get positive feedback from everyone you know

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

Counting steps and calories adds up to shedding 5lbs sensibly

Jawbone Up and Sleepio app review: use your smartphone to get a good night’s sleep

The wristband collects your sleep data and the app helps you to learn new habits, while online tutorials give useful suggestions

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

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

KGoal: introducing the fitness tracker for your vagina

Wearable technology conquers the final frontier with KGoal, a device to help women the world over exercise their pelvic floor muscles better

If you want a better, happier life, here are 10 apps that could help

Dr Lucy Maddox, an NHS clinical psychologist and lecturer, picks the best psychology apps