Any suggestions would be most appreciated!!! My 9 week old wakes up regularly (and I mean every day and you can set an egg timer to it) from her daytime naps after only 35 minutes. It doesn't happen at night (she sleeps with us) and only when she is in her crib. I've resorted to long walks with the sling but I am wearing out my back... anyone know how to break this cycle and what could be causing it?? She acts exhaused so I know she needs more sleep....