When Mila Kunis Fell Asleep While Filming A S*x Scene With Justin Timberlake In âFriends With Benefitsâ Now, you can imagine how boring their chemistry must have been if the person sleeps while filming a s*x scene. April 14, 2021 Did You Know Mila Kunis Had Fallen Asleep While Filming A S*x Scene With Justin Timberlake In âFriends With Benefitsâ (Photo Credit: IMDb) Justin Timberlake and Mila Kunis won our hearts with their brilliant performance in Friends With Benefits. We loved how these two best friends happen to sleep with each other just for fun. Well, as much as we loved their chemistry on-screen and felt that it was sizzling, their off-screen chemistry was absolutely boring, so much that the actress literally fell asleep while filming a s*x scene with the actor.