A sleep disorder can affect the neurological balance in a quite terrible manner. It can cause cognitive dysfunction, which can badly affect the executive skills of an individual. This may include decision-making, planning, execution of the task, organizing, analytical thinking, and assigning the duties. In such cases, one can take Armodafinil Tablets or Artvigil 150 to treat the cognitive dysfunction and improve the performance in the workplace. These medicines can help improve the function of the brain and provide enough mental stamina to work with diligence.