We have 4 Dobermans, two adults and two pups (5 months old). I'm looking for advice on sleeping arrangements. Currently, they've taken over the living room and sofa (that's where the pen was located when the pups were smaller). I'd like to get the living room back to living space for people. There's enough room for all 4 in the bedroom and/or a home office. I don't think I need to crate them. Sleeping on mats on the floor seems to work well for them. Any suggestions? Anyone else with 3+ larger dogs?

The adults get walked 5 miles a day on mountainside roads, plus 3 acres fenced for them to roam, and another 27 acres of logging trails for hikes.
How's the whining