Re: Up all night...
I am sure you are exhausted. My 4 year old stopped sleeping at 4 months old and it was very hard to live during that time. He only slept 2 hours out of a given 24 hour period and he had to be held in my arms to do it. I lived in my rocking recliner during that time.
Hopefully it is just an adjustment phase and baby will start sleeping better at night soon.