Baby sleep changes

So if i didnt have enough issues with the time change and my lo wanted to wake now at 5 am! Shes napping horribly 30 min naps if that maybe 3 of them ,struggeling going down for bed, niw wakes to eat once a night . She didnt do that before. And erratic breathing when sleeping, and crying out! What happened to my good sleeper? We have the same routine every night. Feeding. Bath or wipe down ...pj's, rocked to sleep. Im so tired!