Huawei has unveiled the Watch D3, a smartwatch that monitors sleep and exercise like typical wearables but stands out for its built-in blood pressure sensor. Instead of relying on optical estimation methods common in other smartwatches, the device inflates a small cuff mechanism on the wrist to take a more direct pressure reading.
gizmodo.com
· 2026-09-02
A class action lawsuit filed against Oura alleges the company misled consumers about how accurately its smart ring detects sleep stages, arguing it lacks sensors for brain waves, eye movement and other neurological signals needed to truly measure sleep. Plaintiff Madison Surber says she paid roughly $503 for the ring believing its tracking claims, and cites a Nature study suggesting the device's sleep-stage detection performs little better than random guessing.
zdnet.com
· 2026-08-27
A satirical account describes a user frustrated with her Pixel Watch's low sleep score of 71 after a camping trip, arguing the algorithm failed to account for noisy neighbors, a restless child, and a middle-of-the-night bathroom trip. The piece humorously frames the complaint as a courtroom trial defending the wearer's honor against her own sleep-tracking device.
theverge.com
· 2026-08-27
A newly filed class-action lawsuit claims Oura Ring cannot accurately determine sleep stages because it relies on AI inference rather than direct brain-wave measurement, likening its accuracy to a coin flip. The complaint argues Oura is exploiting sleep-deprived consumers by marketing statistical estimates as reliable science. Verge writer Victoria Song notes that no wearable device measures brain activity directly, since all such gadgets rely on motion and physiological proxies interpreted through algorithms.
theverge.com
· 2026-08-26
As sleep monitoring devices become more widespread and sleep-enhancement technology moves from treating disorders to optimizing rest, employers and institutions are gaining new tools to measure and potentially demand better sleep from workers. A 2016 Dutch Data Protection Authority ruling already found that companies tracking employees' sleep via wearable devices violated privacy law, since such data counts as sensitive health information and consent from employees can't be truly voluntary given workplace power imbalances.
nature.com
· 2026-08-25