According to Vastu Shashtra while sleeping head should be at East or South side. It means our legs should be towards West or North direction. While sleeping in your heads are at South. South direction suitable for you but your heads are at West. So it is wrong, it gives bad result and it is harmful for you. There for you should sheep heading East or South always. It gives you positive result and your mind always peaceful and you always achieve your aims for easily.