Apple Watch 10, Apple Watch Ultra 3 last-minute rumor: New health sensor

There's a new rumor about the next-generation Apple Watch models that may excite users who have been crossing their fingers for more sleep health tools.

According to Bloomberg's Mark Gurman, a reliable leaker and Apple analyst, the Cupertino-based tech giant may unveil a sleep apnea monitor at the Sept. 9 "Glowtime" event.

SEE ALSO: Apple Watch 10: Everything we know so far, including blood pressure monitor rumor

Apple Watch rumor...