Sleep-tracking devices have limits. Experts want users to know what they are
Associated Press
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Middle school teacher Kate Stoye checks her sleep score on her phone, Wednesday, Jan. 7, 2026, in Hiram, Ga. (AP Photo/Emilie Megnien)Middle school teacher Kate Stoye puts on an Oura ring, a wearable sleep tracking device, Wednesday, Jan. 7, 2026, in Hiram, Ga. (AP Photo/Emilie Megnien)Wearable devices, including Apple Watches, can be used to track sleep, Wednesday, Jan. 21, 2026, in Atlanta, Ga. (AP Photo/Emilie Megnien)Dr. Chantale Branson, a sleep neurologist at the Morehouse School of Medicine, stands for a portrait, Friday, Jan. 16, 2026, in Atlanta, Ga. (AP Photo/Emilie Megnien)A patient room for sleep research is seen at the Morehouse School of Medicine Friday, Jan. 16, 2026, in Atlanta, Ga. (AP Photo/Emilie Megnien)
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Middle school teacher Kate Stoye checks her sleep score on her phone, Wednesday, Jan. 7, 2026, in Hiram, Ga. (AP Photo/Emilie Megnien)