One of my favorite asanas is halasana, it has an amazing effect on your body.
Halasana (Plow Pose) is often taught hand-in-hand with Sarvangasana (Shoulderstand); both poses are great mood stabilizers, said to simultaneously relax your nervous system and boost your energy level.
Plow is said to have the same benefits as Sarvangasana, which yoga master B.K.S. Iyengar calls one of the “greatest boons conferred on humanity by our ancient sages.” In his famous manual Light on Yoga, he catalogs the many ways that Sarvangasana benefits various organs and glands; it can also, he says, alleviate breathing problems, headaches, hypertension, and insomnia. Regular practice of Halasana and Sarvangasana, he concludes, gives strength and vigor, joy, and confidence. Some people, however, should steer clear of this superduo of poses —if you have neck injuries, high blood pressure, or glaucoma, avoid them. And forgo practicing during menstruation and pregnancy. If you have never practiced yoga, or haven’t practiced for a while, do this pose only under the watchful eye of an experienced instructor.