"i&#039;ve tried them all--adderall, ritalin, focalin, etc. nuvigil is somewhat effective, but i find i can only use it when i&#039;m working alone. too much people interaction is tough. it lasts so long, which can be good, but sometimes not. even if i take it at 5:30 a.m., i feel like i can&#039;t drink even a 1/2 glass of wine in the evening. also, sometimes i feel very dizzy in the afternoon when i&#039;m on the drug. i&#039;m only taking 40 mg."