Thousands of people use them to monitor their sleep just as they measure the steps they take during the day. But fitness trackers such as Fitbit and Jawbone risk turning us into a nation of insomniacs, sleep experts say. Professor Paul Gringras, a ...
Datum: 11-02-2017 01:01 | Bron: Daily Mail
Keer terug naar het nieuwsoverzicht: Fitness nieuws
