Insomnia

"Hala" means "Plough" in Sanskrit. This posture is called 'Halasana' because in the final position the body resembles the Indian plough.

"Janu" means "knee" and "Siras" means "head" in Sanskrit. The head is made to rest on the knee in this posture, hence the name.

"Paschima" means 'behind', 'back' or 'posterior' and 'Uttana' means to stretch out in Sanskrit. "Paschimotana" means stretching the posterior regions of the body.

"Shalabha" means "locust" in Sanskrit. The final position of this asana resembles a locust when it lowers its head to eat and raises its tail. Hence, the name.

"Sava" means "dead body" in Sanskrit. To practice this asana, one should lie motionless on the floor like as dead body in order to secure complete relaxation of all parts of his body and remove tensions, both physical and mental.

"Sirsha" means "head" in Sanskrit. It is required to "stand on his head" in this asana and hence the name.

"Sukha" means "pleasant" or "comfortable" in Sanskrit. Any cross-legged sitting position which you find comfortable, in which the body does not shake and in which you can remain at ease for a long time, is called Sukhasana.