Not Soma! From a talk by Huxley:

> ... I have talked to pharmacologists about this matter, and a number of them say that it’s probably quite possible that it may be possible to, by pharmacological means, which will do no harm to the organism as a whole, to increase the span of attention, to increase the powers of concentration, perhaps to cut down on the necessity for sleep, and the various other things which may lead to a very considerable increase in general mental efficiency.

https://www.organism.earth/library/document/realizing-human-...