I Wonder Why This Number Is Rising So...
Politics3 mins ago
No best answer has yet been selected by Stuartgraham. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.This is probably a phase. Both my kids went through it of and on a couple times in their early years.
It could be anything from what the other suggestions were or even unusualy stormy weather making noise outside, ear infection...etc.
Just try to keep the routines the same and don't get too upset. Check the baby's temp too. If it goes on for a few more days should go to the doc to have her checked for ear infection.