Think teenagers are spending all night long playing online games on the computer? Wrong — it’s their mothers burning the midnight oil.

AOL, a unit of Time Warner Inc., released a study on Tuesday showing that U.S. women over the age of 40 spend nearly 50 percent more time each week playing online games than men and are more likely to play online games daily than men or teens.

Of those women over 40 who had formed online friendships, AOL said, more than 20 percent converted those virtual connections into real-life relationships.

Fueling the arguments of those who say that gaming takes away from other activities, 44 percent of the women over 40 who responded to the survey, conducted by Digital Marketing Services, said they spend less time watching TV or movies, reading or being physically active because of their game play.

More here.