Throughout In My Time of Dying, Junger explores the tension between empiricism (the view that only observable phenomena exist) and spirituality. Junger argues that since the advent of quantum mechanics, science has understood that reality extends beyond the observable. This understanding opens a space for collaboration between science and spirituality in Junger’s view. Junger navigates this complex terrain by presenting scientific explanations alongside unexplained phenomena, ultimately suggesting that a comprehensive understanding of reality might require a synthesis of both perspectives.

Junger’s exploration of near-death experiences (NDEs) serves as a primary vehicle for examining the interplay between scientific skepticism and spirituality. He presents medical explanations for various seemingly supernatural aspects of NDEs, such as tunnels of light and out-of-body sensations, which can be attributed to neurochemical processes in the brain during extreme stress or oxygen deprivation. However, Junger also highlights phenomena that resist simple scientific explanation, particularly the consistent reports of dying individuals seeing deceased loved ones. By juxtaposing these scientifically explicable and inexplicable aspects of NDEs, Junger invites readers to consider the limitations of current scientific knowledge and the possibility of realities beyond conventional understanding.

The author delves into quantum physics theories to bridge the gap between scientific skepticism and spiritual or mystical experiences.