So if you are taking a three credit hour class (which is standard) then you would expect to spend about 6 to 9 hours per week studying for that class. Just to clarify, in this example studying includes homework, reading, projects, and everything else you have to do for a college class.
Dextroamphetamine and amphetamine is also started at a low dose, usually 5 mg and may be gradually adjusted by your doctor. The maximum daily dose is 40 mg to 60 mg per day. Children are often started at 2.5 mg a day, and gradually increased to a maximum of 40 mg per day.
Usual Adult Dose of Adderall for Narcolepsy: Tablets: Initial Dose: 10 mg per day orally upon awakening. Maintenance Dose: The daily dosage may be increased in increments of 10 mg at weekly intervals, up to 60 mg per day in 2 to 3 divided doses.