Spray a 6-quart crock pot/slow cooker with cooking spray.
Season the chicken thighs with salt, pepper, dried oregano, and paprika; transfer to the slow cooker and arrange them in one layer.
Add artichoke hearts over the chicken; sprinkle with garlic.
Take ⅓-cup of the liquid from the jar with the artichoke hearts and pour it over the top.
Cover; cook on HIGH for 4 to 4-½ hours, or on LOW for about 6 hours.
Add sun-dried tomatoes 30 minutes before it's done cooking; cover and continue to cook.
Remove cover at the end of the cooking time.
Sprinkle with fresh parsley and serve.
