On Thursday, April 9, 2020 at 5:38:04 PM UTC-4, Martin Gregorie wrote:
On Thu, 09 Apr 2020 13:57:46 -0700, son_of_flubber wrote:

On the other hand, pulse oximeter ARE designed to work indoors sitting
quietly in a chair or resting in bed.

What about units such as those sold by https://www.welluehealth.com/
like their Sleep-U with the electronics on a wrist-band with the sensor
clipping on a finger at the end of a flying lead

Those are nice. Nonin has similar for $$$s.

The last time I had hypoxia-induced euphoria in flight, I had to resist a very strong urge to climb higher. Funny how euphoria works.