Help! My baby has been sleeping a solid 12 hours since she was 8-10 weeks, she's now 19 weeks and for the last 2 she's been up several times a night. My problem isn't the waking, I can get her back to sleep, sometimes she feeds, sometimes she doesn't. My problem is when I put her back down after about a minute it's like the startle reflex is back, she starts thrashing her head side to side and kicking her legs, wakes her self up then starts squealing (not upset just really noisey) she's always been so peaceful when she sleeps, I don't know what this is. Or how to stop it, the other night it took nearly 2 hours to settle her and tonight is looking to be similar! Has anyone experienced this kind of wriggling ??