Unroll crescents, dividing into 4 portions. Pinch seams together to form 4 large rectangles.
Spread a very thin layer of poppy seed dressing on the crescent dough.
Layer 2-3 slices of turkey
Layer some thinly sliced apple pieces on top of the turkey
Sprinkle cheddar cheese on top
Fold crescent dough in half, creating a pocket-like shape
Bake as directed on dough package, perhaps adding 2-3 more minutes or until golden