How can a husband touch his wife inappropriately is my question. Have you considered that he simply enjoys your body and wants to touch it? Maybe you need to react possitively to his touching.
It would be "molestation" or "rape" if you woke up all the way and told him "No!" Otherwise, he's perfectly in the right.
I wish my husband would touch me "inappropriately" in my sleep!
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Psalm 119:105 Thy word is a lamp unto my feet, and a light unto my path.