Lifestyle

Which wearable sleep metric to trust when diagnosing insomnia and how to set it for real improvement

I started wearing a sleep tracker because I wanted proof that I was actually sleeping less than I felt I was. Like many of you, I wanted simple answers: am I falling asleep quickly? Am I waking up too often? Is my “poor sleep” just perception, or a measurable problem? After months of testing wristbands, rings and phone apps, talking to sleep clinicians and reading validation studies, I...

Oct 26, 2026 • by Éloïse Martin
Read more...
Which wearable sleep metric to trust when diagnosing insomnia and how to set it for real improvement

Featured

Latest News from Nationaltoday Co