("601XL Builder" wrote)
From WebMD

Excessive daytime sleepiness, which is falling asleep when you normally
should not, such as while you are eating, talking, or driving.


http://en.wikipedia.org/wiki/Modafinil
Also used as a "smart drug."

http://www.modafinil.com/
"Modafinil is increasingly used as a 'lifestyle drug' - a lucrative
'off-label' market its makers have not been unduly keen to discourage. Some
prescribing physicians have reportedly been surprised at a previously hidden
epidemic of narcolepsy among hard-working young professionals..." g


Montblack