hi my 15 month old dd couldnt sleep comfy in cot from 9 months,as she kept getting her feet trapped in rails when sleeping so put her in travel cot so feet would not get stuck but now she wakes constant as she sleeps funny my ss was same i put him in toddler bed at 16 month and he was ok the bed i have for dd is low to ground and i have side rails has anyone else put 15 month old into a bed anf how did you find it