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It could help millions of undiagnosed sleep apnea sufferers.
If you charge it first thing in the morning, it may even die overnight.
I know Apples battery life tends to exceed the stated value, but its still ludicrously short.
Even theGoogle Pixel Watch 3manages 24 hourswiththe always-on display mode active.
If theApple Watch Ultra 2can manage 36 hours, whats the holdup?
