dk404930

I should have kept track of how many times I’ve run into this exact issue. I can’t recall which ones specifically, but I am confident it’s been at least three separate services.

I was always surprised that Apple never released a track pad with the Touch ID integrated in one of the corners. I’d purchase one in a heart beat if they did.

Yes, AFAIK the brain is electrically the most similar to being awake when it is in REM.

I’ve seen deep sleep used synonymously with “deep NREM” (non-REM).

They are indeed different, but both support cognitive function in different ways.

You can view HRV data recorded by the Apple Watch directly in the Health app—there’s no need for a third party.