Nap mat vs. pack n' play?

[5 Little Monkeys]

This is the cot I have http://www.walmart.com/ip/Regalo-My-...el-Bed/4433186

The sleep mat I have is this http://www.daycaremall.com/images/pz/basic_kinder.JPG

[kimg]

I think it would depend on what type of napper she is. If she typically sleeps the entire period without fuss, then I'd consider a mat. All of my mappers routinely wake up wY too early, so all of them, even my 2.5 yr old are staying put in their pnps.