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I had no idea.

How do people sleep then, if this is so common?

People in dense cities learn to deal with it one way or another. Somewhere like Manhattan, I can practically guarantee you there are going to be sirens (which are probably even louder) during a given night as well.

Boston does this better, where if there isn't traffic, sirens aren't run. At night, sirens are relatively rare. Especially compared to Seattle and Boise where I've also lived.

In Germany, I only ever heard a couple sirens the whole time I lived there, and none directly on my street.

Yes, come to think of it, I have never heard sirens of emergency services drive near at night, but I have occasionally heard them during the day.

How odd. — I rather value my sleep.

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