dd is 7mth and is a wriggler!!! even up until about 4 mth i had to swaddle her just to help her get off to sleep!!! because she of rubbing face fidgeting!!! now my prob is that if i dont tuck her in properly she wiggles that much it can take up to an hr for her to go off!!! she then gets overtired and very narky.....should i just let her do her own thing ? or should i carry on trying to prevent this by tucking her in ? she also bangs her head against cot bars!!! is this normal?? i have now put bumper on the side of cot she does this but does anyone elses baby do this? its quite disturbing to watch!!