Well as scopolamine is the best medicine known today against motion sickness, there have been numerous tries to counter some of its negative sideeffects.
E.g. a well known combination is with d-amph.
But as a study in 2016 has shown, combining modafinil with it works just as well
Quote:The efficacy of scopolamine with modafinil (1 + 10 mg/kg) was equivalent to that of scopolamine with d-amphetamine (1 + 1 mg/kg); This combination also excited central nervous system and abolished the anxiety caused by scopolamine.
Here the study:
https://www.ncbi.nlm.nih.gov/pubmed/27160425I claim not that this is the truth. As this is just what got manifested into my mind at the current position in time on this physical plane. So please feel not offended by anything I say.