Like most strains of cannabis, King Louis XIII offers a variety of useful applications. The deep relaxation provided by the stone is a great aid in alleviating stress and anxiety. This deep relaxation will also prove beneficial to those who suffer insomnia, helping users doze off well before sunrise and wake up feeling more refreshed and well-rested. King Louis XIII also offers pain relieving effects, and can be useful for those suffering from muscle spasms. King Louis XIII offers deep relaxation, making it a heavy hitter among other strains when it comes to medicinal properties.