I had unwrapped my daughter because she was getting out of her wrap and crying at night. She did really well for a few weeks then she would only sleep 45 mins -1hr in the day b4 waking and crying. Used to sleep 2 hrs straight. After 3 or 4 days of screaming I wrapped her again and she slept for 2 1/2hrs. She then was sleeping wrapped during the day and unwrapped at night. She was sleeping 12 hrs at night but the last 2 nights she has woken every 2-3 hrs crying. Do I need to wrap her at night again? She is 4 mths old.