Quoting Krystie Wood:" DD is 4 months and super cranky because of teething. I just got home from shopping with her and shes ... [snip!] ... it bad that she stays in there? I know once i take her out she will wake up. she seems so peaceful but i feel like a bad mom. "Let her sleeeeeeeep! lol I used to let my kids sleep in their car seats til they woke up from their naps! Never over night tho....that would be a mean mom.