Sleep Tight?

Robby has lately been rolling around everywhere in his crib during naps and nighttime. Today, I peeked in and found him like this....a little stuck, but peacefully sleeping. So, a dilemma for all us as moms: my mom made these beautiful crib bumpers but all the books say to remove them when they start to roll so that they don't get stuck in them and suffocate. But what about getting stuck in the bars? Hmmmmm......