Cameron Diaz wants to "normalize separate bedrooms." Here's what to know about "sleep divorce."

Cameron Diaz doesn't think love should get in the way of a good night of sleep. 

"We should normalize separate bedrooms," the actress said in an interview on the "Lipstick on the Rim" podcast this month. Diaz, 51, is married to Benji Madden of the band Good Charlotte.

"To me, I would literally — I have my house, you have yours. We have the family house in the middle. I will go and sleep in my room. You go sleep in your room. I'm fine," she said. "And we have the bedroom in the middle that we can convene in for our relations."