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Garmin watches and connect tracking sleep

Discussion in 'Sports Arena' started by ShiWarrior, 28 Dec 2019.

  1. ShiWarrior

    Capodecina

    Joined: 20 Oct 2002

    Posts: 23,374

    Location: Oxon

    Hi all

    I've have one of these watches that track your HR and I don't wear it when I go to bed, I used to a year ago though

    Quite recently it started tracking my sleep , even though I'm not wearing it


    Does anyone else get this?
     
  2. robj20

    Capodecina

    Joined: 9 Apr 2007

    Posts: 10,780

    Nope I wear mine a few nights a week, the nights I don't it doesn't track sleep at all. Think it works of the HR no HR no sleep tracking.
     
  3. Foyman

    Gangster

    Joined: 9 Nov 2003

    Posts: 426

    Location: nr Stoke

    Yeah, my Fenix 5 Plus has started doing this. Stopped wearing mine while sleeping due to inaccuracy in the tracking but noticed recently that it had started to record while not being worn. Can't see anything in the change logs related to this.
     
  4. ShiWarrior

    Capodecina

    Joined: 20 Oct 2002

    Posts: 23,374

    Location: Oxon

    glad im not the only one then
     
  5. jpaul

    Capodecina

    Joined: 1 Mar 2010

    Posts: 15,098

    yes .. its a good point who wears a watch in bed , to actually benefit from sleep tracking.

    OK that would be offfset if the watches give consistent/useful data, if you do wear them - do they ?
    (eg. so you could see what happens if you have coffee late)

    the algorithms to establish sleep levels from heart rate are complex/debateable - you have to establish the ratio of heart rate frequency components for
    parasympathetic and sympathetic activity, had tried/failed to do this from a chest strap (previous post);
    is there any data on watch accuracy ?