A few months later, Kourtney revealed that baby Rocky had “never” slept in his own crib.

Several fans were concerned at Kourtney’s revelation, given that co-sleeping is deemed unsafe by many professionals, including the American Academy of Pediatrics. According to KidsHealth.org, co-sleeping with a baby “increases the risk of sleep-related deaths.”

Meanwhile, other experts argue that co-sleeping has several benefits, too.