A/B testing @ouraring sizes for the next 24 hours.pic.twitter.com/hOK5Rogo5c
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
i was under the impression apple watches already had sleep tracking (though i wouldn't know, i charge it overnight)
I think there may be third party apps but nothing built in.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.