The BBC said iPlayer, which was launched in 2007, is used by five million viewers a week.
Research by the broadcaster revealed that there has been a surge in the number of mobile phone users accessing the service from their handsets, with most of the traffic taking place after 9pm and on Saturday and Sunday mornings.
The BBC said this means "the nation is snuggling up with their favourite BBC programmes from the warmth and comfort of their own bed".
The catch-up service can be accessed through 20 different devices and the research revealed that those watching the BBC iPlayer via Mac and PS3 platforms prefer comedy shows such as Mock The Week.
However PC and Virgin Media viewers ae more likely to use the service to watch dramas such as EastEnders and Waking The Dead.
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"These figures show people are making the most of the choice they now have - whether it's watching EastEnders on your PC during your lunch break, listening to Desert Island Discs on the bus or watching Mock The Week in bed, viewing patterns change depending on the time and location of the audience," said Erik Huggers, director of future media and technology.
"We'll be looking to increase the availability of the BBC iPlayer on new platforms and devices in coming months and are looking towards more success in 2010."
See also: BBC iPlayer iPhone app in the works?