Discussion: What it feels like to have significant “fatigue” rather than just being “tired”

The medical term for tiredness is “Fatigue”. It covers basically any word that could be used to describe tiredness – from exhaustion, lethargy, and listlessness, ect. It covers both physical and mental tiredness. Often both impending into each other, if a person experiences physical tiredness for long enough, it will often create a mental tiredness too. Many of