I am guessing this is the 4 month sleep regression?
DD is 4.5 months old and just getting over a nasty cough that had her sick for 2 week. She didn't sleep well while sick, but now her sleep seems even worse. She is fighting every nap during the day, waking more at night and harder to re-settle at night.
Any tips for how to get her back on track? Before this she would easily nap and do 5-6 hours stretches at night.