my watch is not detecting naps automatically

Same here, my watch suddenly stopped recording naps some days ago.

For me, the last time the automatic detection of NaPs worked perfectly in firmware 11.16. Since the next update, my watch no longer detected NaPs. And according to my heart rate, I was almost on the verge of cardiac arrest and slept for 2 hours straight....I don't know what Garmin did wrong again .....telephony stopped working smoothly since firmware 13.17. It works max. For two calls and then I can't hear the calling party and have to restart the watch.....please fix this and also the vibration of the ringtones during call alerts which should vibrate cyclically and not just once....I'm already unhappy.....

Same here. 

I just added nap manually