More than half of British adults watch more than one episode of the same show back-to-back at least once a month.
Of those, a third - almost 10 million - admit they have missed sleep or become tired as a result, while a quarter say they have neglected household chores.
Media watchdog Ofcom did the research into what it called "box set Britain".
82%
aged 16-24 watch multiple episodes at least monthly
67% of adults watch on demand to avoid adverts
54% of adults like to watch on tablets or smartphones
91% watch live TV, but viewing time is down 14% since 2010
Findings in the broadcasting regulator's Communications Market Report include:
Posting children's photos divides nation
Lindsey Fussell, consumer group director at Ofcom, said: "Technology has revolutionised the way we watch TV. The days of waiting a week for the next episode are largely gone, with people finding it hard to resist watching multiple episodes around the house or on the move.
"But live television still has a special draw, and the power to bring the whole family together in a common experience."
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About 10 million Britons have skipped sleep or made themselves tired the next day because they were binge-watching TV, new research suggests.