Apparently there is a reason this city never sleeps — everyone there is too busy having sex! It is the most sexually active market of all the cities surveyed. 82 percent of millennials in NYC have sex at least once a week. Only 10 percent of New Yorkers surveyed hadn’t had sex in the last week.

Surprise: Dallas lags behind only NYC for sexual activity — 75 percent of millennials get it in at least once a week.

H-Town is not afraid of strangers — at 75 percent, more people are about the one-night stand life here than anywhere else surveyed.

San Fran is the No. 2 city for one-night stands, with 71 percent of survey respondents saying they have had at least one. And 55 percent of them have had sex with at least five people.

Sixty percent of D.C.-Baltimore area millennials have slept with five or more people, but they are going through a temporary dry spell — 20 percent haven’t had sex in the last week. When they are doing it, 62 percent are partial to one-night stands, which means they are No. 3 among all cities surveyed.

Folks in the Windy City like variety. Fifty-five percent of people ages 18 to 34 have had more than five sexual partners in their lifetime.

Drake’s hometown was the least sexually active city surveyed with just 66 percent of millennials having sex at least once a week.