Fatigue
The word “fatigue” conveys an overarching sense of weariness or lack of strength. Experiencing this is not the same as being tired or drowsy. Fatigue saps the willpower and leaves someone feeling unmotivated and directionless. Likewise, being drowsy is not the same as fatigue, though it may be a sign of it. In many cases, fatigue might be a sign of something more severe. It is also an inevitable consequence of a few common ways of living, including not getting enough exercise or eating poorly.
Individuals with chronic fatigue syndrome may feel drained even after getting enough sleep. It is a horrible “invisible” disease that makes it hard for people to do the things they need daily. In addition, overproduction of histamine may cause serious health problems. Histamine is a neurotransmitter that, in the brain, may block the activity of almost all other neurotransmitters. Fatigue is one of the symptoms that may result from a chemical imbalance in the brain. Due to the overexertion of specific processes, the brain signals receptors around the body, leading to fatigue.