Claim: BF2.649, Modafinil, and Placebo are drugs used to treat excessive daytime sleepiness in narcolepsy.
Evidence: A placebo (/pləˈsiːboʊ/ plə-SEE-boh) is a substance or treatment which is designed to have no therapeutic value. Common placebos include inert tablets (like sugar pills), inert injections (like saline), sham surgery, and other procedures.