ds is 3 is dry during the day and still in a nappy at night but quite a few times over the last few weeks he has woken up at xoclock in the night for me to discover he has pulled his willy out the top of the nappy and him and the bed are sodden! iv tried putting the nappy on as tight as i can and tucking his pj top into the bottoms but that dosnt really help and ideas before i get out the gaffa tape?!