Guess Who's Been Sleeping in Kourtney Kardashian's Bed

March 26, 2014 — -- Kourtney Kardashian is notably close to her children.

Indeed, the reality star, 34, admits that she believes in smothering son Mason, 4, and daughter Penelope, 20 months, with love at all times.

"Both Mason and Penelope still sleep in my bed," Kardashian told Redbook for its April issue, on newsstands now. "It's what came naturally to me; I didn't plan it."

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Kardashian explained that it started with Mason, and then Penelope.

"When I had Mason, I just felt really attached to him, and wanted to bring him everywhere. He ended up sleeping with me, and I breastfed for 14 months," she said.

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That said, the "Keeping Up With the Kardashians" star said she doesn't give sister Kim, 33, too much advice with baby North West.

"I think once you become a mom, your instincts kick in so far as what to do and how to handle everything," she said.