Artvigil 150mg targets the circadian rhythm, also known as the sleep-wake cycle. People who work shifts have thrown off the body's regular sleep and wake cycle. These people thus have a very hard time staying awake during their shift and experience insomnia following it. The human brain is home to a wide variety of neurotransmitters, some of which are involved in regulating our sleep and wake cycles. Neurotransmitters are chemical messengers that are released by synaptic nerve cells.

As of yet, no study has been able to identify the exact mechanism of action. It is thought that Armodafinil USA inhibits the back absorption of these neurotransmitters by acting on them. They remain in that area of the brain for a lot longer as a result. It's been suggested that a person is given persistent awareness based on how long neurotransmitters remain in the brain. Additionally, there are improvements in cognitive functions like sharper focus and better memory recall.