Is it too late at night to run the vacuum cleaner?

I live in a fourplex - each unit takes up a floor in the four storey building. I'm on the 2nd level. There are two above me and one below me.

I guess I tracked in some dirt over the past couple of days on my shoe mat. Noticed it and vacuumed it up. Took me 2 whole minutes.

The person above me on the 3rd level complained that I was vaccumming too late at night and that I disturbed her 18 month old.

And the time? 8:10 until 8:12 PM.

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