The latest generation of sleep-tracking wearables promises far more accurate readings of sleep stages and disturbances — but some sleep specialists warn the added detail can backfire.
A condition some researchers informally call "orthosomnia" describes anxiety driven by an excessive focus on sleep-tracking data rather than how a person actually feels.
Manufacturers say the goal is to help users identify patterns, not to create pressure around hitting a perfect score every night.
Sleep doctors recommend treating tracker data as a general guide rather than a nightly report card.
