Hello. Our 15 week-old DD started rolling her head from side to side to self-sooth in bed when she was only a few weeks old but in the last couple of weeks it has become a real source if anxiety for me. Because her sleep has been very disturbed since she learned how to roll from back to front, the head rolling has become not only more frequent but also a lot more violent. :-( I keep reading that it is not harmful but it really doesn't look it. Has anyone got any experience of this? How did you deal with it? We end up co-sleeping a lot so I can cuddle her to stop her from doing it.