Why must they grow so fast? + sleep issues

Li

I still find it hard to believe I have a 5 month old. They grow too fast, she's even trying to crawl already and I'm totally not okay with it 😂

The last few nights she's been so restless during the night. She's BF and occasionally co-sleeps (if I wake up and she's fast asleep I move her back into her bed). She used to sleep really well when she was beside me but even now she just tosses and turns all night. She wakes up howling every few hours and will only be comforted by nursing, won't take her pacifier. Could this be a part of a leap? Also, pictures just because 😬

(My sweet girl at 4months old with my best friends baby born at 35weeks)