Apnea's not always a symptom you know you have, but it does require wearing the Apple Watch to bed-- something I don't often do ... as good as an at-home sleep test.

My doctor decided it would be important for me to get a sleep apnea test. So I went to a sleep center ... And I just didn't know that there was this connection. So I actually was encouraged ...

You can even perform the test in the comfort of your own ... "Many people don’t realize they have sleep apnea because they might not fully wake up during these breathing interruptions," Conville ...