Bad news for those of you out there who swear by sleep trackers to get some shut-eye: A new study shows you might not be sleeping as well as you think. In fact, it’s possible your trusty sleep tracker is actually bad for your health.
Bad news for those of you out there who swear by sleep trackers to get some shut-eye: A new study shows you might not be sleeping as well as you think. In fact, it’s possible your trusty sleep tracker is actually bad for your health.