: How the surge of prolactin (the "satiety hormone") may contribute to a temporary state of lethargy or detachment.

: Recent studies suggesting that both men and women experience post-coital lows, contrary to historical myths of it being an exclusively male experience.

: How pre-modern thinkers viewed this "sadness" as a moment of profound clarity or a reminder of human mortality and biological transience. 3. The Biological Mechanism

: The transition from sympathetic (arousal) to parasympathetic (relaxation) dominance. 4. Psychological Perspectives: Post-Coital Dysphoria (PCD)

: Differentiating between natural relaxation and clinical PCD, which involves intense feelings of anxiety, agitation, or melancholy.

Paper Title: Beyond the Peak: A Multidisciplinary Analysis of "Triste Post Coitum" 1. Abstract