Hi dear... Well... my dear daughter used to sleep in the daytime thru out and wake during nite time for the first 3mths. Yes, it did turn the sleeping routine for dear husband and me upside dwn. For the first 3mths, dear daughter refused to sleep on her playpram too.... therefore even we anti sarong strongly in the past, we surrender and let her sleep in the sarong finally.... Her sleep improves alot at the 4th month till now. I think newborn babies need time to adapt their sleeping routine as they can't really differentiate day and night yet. Maybe bear with it for a couple of months and see how it goes? Or have you try your baby out sleeping in a sarong?