Issue during swimming activity and Focus Mode

During swimming I disabled Touch for screen.

I started swimming activity. I was swim 150m on pool 25m. After warm up I had exercises (I learn new styles so i training legs and hands with teacher).

When lesson was enf I lokked on my watch and:

1. There was enabeld Focus Mode "sleep"
2. In watch there is no swim in "last activity" on widget (Viewing Glances)
3. In widget "last 7 days" activiti apperear  (Viewing Glances)
4. in garmin connect was synced activity that was 33mins and 25m.