Republican Reps. Paul Ryan of Janesville and Duffy of Wausau are part of what’s known as the “couch caucus” in Congress. They don’t have any residence in Washington, and sleep in their Capitol Hill offices instead.

That may not seem the most comfortable lifestyle, but it could help keep them comfortably in their seats, or at least safe from the threat of tea party challenges.

Because conservatives, especially emboldened by the recent defeat of Cantor, are sure to continue pressing members to spend more time in their home states.

“The more time you spend inside the Beltway, the less realistic your view of the Midwest or wherever the home districts are,” said Wisconsin-based Matt Batzel, national director of conservative group American Majority Action. “I think that’s a common theme for a lot of members of Congress.”

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