Caffeine is a bitter chemical compound found in coffee. Caffeine is found in varying quantities in beans, leaves and plants, where it acts as a natural pesticide to protect the plant from insects.
Humans consume coffee, tea, and caffeinated drinks due to caffeine present in them, caffeine acts as a central nervous system stimulant and temporarily wards off fatigue, tiredness, and drowsiness and make them alert.
Can Caffeine Make You Tired?
One of the primary sources of caffeine is coffee beans; tea is another source of caffeine. Caffeine is mildly addictive.
Moderate amount of caffeine will not do any harm to the body, and it can be tolerated well by the body, but if the amount increases and if the person takes it repeatedly, caffeine will create health problem such as increased tiredness and fatigue.
Why Does Caffeine Make You Tired?
Caffeine triggers the release of adrenalin from adrenal gland, a hormone which gives you instant feeling of well being and energy when your body is tired. But the effect lasts for a short time and there will be rebound feeling of more tiredness and sleepiness. This will make the person to drink another glass of coffee or caffeinated drink to sustain energy and the vicious cycle will go on which ultimately ends up with more weakness and drowsiness.
Side Effects Of Too Much Caffeine
- Caffeine is a mild diuretic, excessive consumption of caffeine will cause more urination and it may deplete electrolytes causing weakness and drowsiness.
- Caffeine wakes up the body, but it fails to tell the body when to take rest and stop moving, body needs rest and when it does not get proper rest it leads to drowsiness and sleepy.
In short if a person drinks too much coffee or caffeinated drinks, it may lead to iron deficiency anemia, vitamin deficiency and adrenal exhaustion, all these traits qualify to make you tired, drowsy and sleepy.