This podcast episode delves into the multifaceted nature of time perception, exploring how our biological systems, including our hormonal balance and neurological processes, influence our experience of time. It emphasizes the importance of entrainment, both circadian and ultradian, in maintaining an accurate sense of time and maximizing performance. The episode also highlights the role of neuromodulators like dopamine and serotonin in shaping our perception of time, from distorting our experience during traumatic events to altering our sense of time's passage based on arousal and valence. Overall, the episode provides a comprehensive understanding of how our brains and bodies measure and perceive time.