Who needs a gym when you’ve got a bedroom?

Getting hot and heavy between the sheets isn’t just good for your love life — it can double as a sweaty, calorie-torching workout that leaves you lighter on the scale.

Enter NowPatient. The telehealth provider has launched a cheeky new “ sexercise calculator ” that reveals exactly how many calories you can expect to burn in every position. 3

But don’t go jumping into bed cold.

“Make sure you are fed and hydrated because to get in a significant workout from sex, you want to aim for the full 30 minutes,” Emma Hewitt, a certified sex educator, told The Healthy.

That might be a tall order. One study found that the average heterosexual romp lasts only about five and a half minutes.

That means to really work up a sweat, you’ll need to go

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