Adventures into the Unknown #90 (1957)

Lieutenant Frank Cowell, the last surviving member of his original platoon, is haunted by a vivid dream of his death during a fierce Korean battle—exactly as it unfolds in real time. As the enemy launches wave after wave of attacks on the left flank, Cowell finds himself isolated, convinced he’s fulfilling the grim prophecy of his nightmare. Just as he faces the final assault, a sudden burst of gunfire from behind reveals a new platoon arriving to rescue him, leaving him stunned by the unexpected turn of events.

Larry Keith, a brilliant chemist obsessed with eliminating sleep, creates a serum that allows him to stay awake indefinitely—only to discover that without sleep, his mind is plunged into vivid, terrifying hallucinations that blur the line between reality and nightmare. As he races through surreal visions of ancient rituals, jungles, and prehistoric beasts, he begins to question whether his mind is unraveling or if something far stranger is at work. The story follows his desperate struggle to understand the true cost of his scientific breakthrough, as the boundaries of his waking world collapse around him.

June Drake, a young woman battling a fatal illness, finds solace in a mysterious encounter with a man named Don Foster at a remote ski hut high in the Swiss Alps—only to question whether he’s real or a product of her fading mind. As their days together grow more intimate, she struggles to reconcile her feelings with the doctor’s doubts, until a chilling discovery about the man’s identity forces her to confront the truth.