sorry if this is in the wrong place.

so DS will be 6 in a month, and still wets the bed at night. He has to wear night nappies to bed, otherwise he will wet the bed, and not just once, but a few times. I have tried 'training' him. Limiting his drinks at night, taking him to the toilet before we got to bed, etc.....but nothing seems to be clicking. I bought a bedwetting alarm for him off ebay for $45, i used it for 2 nights, and the alarm either didn't go off at all, or would go off after he had completely wet the bed!

so just wondering what i should do? when he does wet the bed, he doesn't even wake up. he is a heavy sleeper, and so will just keep sleeping all night, to the point where he will wake up completely dry, even though he has wet the bed a few times.....DD on the otherhand, if she wets the bed, she will wake up straight away and come and tell us......

just how do i get it to click? what other things can i try? and when does it start being something i should take him to the doctor about? thanks