This is my first child so I'd love a bit of perspective on whether this is normal or not for a newborn. DD is 3 weeks and although she has periods of sleep where she is very still and calm, she also has prolonged periods of wild, jerky movements which look like she's practicing martial arts... I think she is still asleep as her eyes are closed and after a minute or so will go back to being still, only for it to start again shortly after. This is how she 'wakes' during the night (I have to make a judgement call on when she's ready to be roused for nappy change/feed, she rarely totally wakes up on her own). The movements are pretty violent, not talking an arm raise here and there but full on propelloring legs and arms, rolling from side to side, head moving... Just wondering if this is something others have experienced or if it's something we should get looked at? Thanks!