This specific phrase intrigued me the most, and the source I found answered my question of how psychological death can lead to physiological death. Psychogenic death, a term described as giving up the will to live is the specific topic I focused on. An example of psychogenic death is an old couple dying within hours of each other, with no physical explanation for the second’s death. It is believed that trauma is the main cause of this death stage. Dr. Leach, who has studied this topic a lot, say that it is located in the anterior circuit of the brain. This circuit is responsible for higher-level cognitive functions such as decision making, motivation, and goal oriented behavior. This circuit is also associated with dopamine, which is essential for promoting motivation and regulating stress reactions. A sign of psychogenic death is aboulia, which makes a person lose all desire to look after themselves. This is an emotional and mental death, which is nicknamed giving-up-itis. The link to my source: https://ideapod.com/you-can-die-simply-by-giving-up-the-will-to-live-suggests-new-research/

depends on environment what kind of carrier the baby is in

babies do this anywhere in the world, it is just a regular baby thing

practice