Aftereffect

"And then Rook snapped out of it and noticed (in this strange state he was in—an aftereffect of the soma?) as clear as day everything—almost as if a sixth sense had become acute and he was fully aware of his eminent and imminent death and he saw everything crystal clearly and noticed that Anatoli, usually calm as a cucumber on the set, was now sweating and not calm and perhaps claustrophobic?"