Credit: Stephen Headrick / Android AuthorityTL;DRFitbit’s Premium users in Public Preview are now getting weekly plans they can actually adjust, including targets and workouts.Coming soon is the ability to manually tweak targets and workouts when your schedule gets messy.Google is pulling back the curtain on the Sleep Score math. You get a more transparent breakdown of your rest data so you can pinpoint exactly why you aren’t waking up refreshed.If you’ve ever checked out a fitness tracker’s “personalized” plan and felt it wasn’t personal at all, you’re not the only one. Fitbit listened to the feedback, and this week its personal health coach is getting a big update.Google says the update is rolling out now with the latest app version and will reach more users in Public Preview over the next few weeks. The main improvement is a shift toward more flexible and adaptive coaching.