Earlier quoted context omitted.
If it charges fast enough this shouldn't matter. You just charge it while you take a shower and as long as it charges enough for the day it fine.
You sound like the sales rep at the Apple store. I was perplexed. Meanwhile, I had to wonder how many people take showers that are over half an hour every day.
I don't get the people that need to wear it 24/7 for days at a time.