Caffeine is a part of our daily routine. Weather is the tea, coffee or any energy drink. Here is how caffeine affects your mind.
How It Works in Your Brain
Drinking caffeine is essential for our lives. Many people say that they cannot function without it. This is because caffeine is a central stimulant of the nervous system. It primarily blocks adenosine, which makes you feel less sleepy. It increases neural activity, which makes us more alert. This helps to improve our activity even though for a short amount of time. It also affects our dopamine. That many people like to drink coffee the first thing in the morning. It stimulates higher neuron activity, signal the adrenal glands to release adrenaline. It enhances mood and reduces feelings of fatigue. Similar mechanisms are seen in some addictive substances, though caffeine is much milder.
Caffeine and sleep
The caffeine you drink will affect your sleep for 6-7 hours. However, it will make your sleep quality worse. It can also reduce your intervals of sleep. It makes your deep sleep stage less and your sleep less restorative rest. It affects your metabolism. Its also affects how your sleep in REM state ( dreaming stage), making it difficult for a person to make it enter into this state. Cutting back of the it, especially in the evening, will help you to sleep soundly.
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How much it is safe for you?
It is recommended to consume almost 400mg or 4 cups of Coffee. The higher dose of caffeine will affect your physical, mental and cardiovascular health. More than 400 mg will lead to jitters, anxiety, and rapid heartbeat. This may also lead to poor heart health.
However the level of the caffeine will depend upon the genetics. Some people will see to digestive un easiness. Headache and fatigue can also be reduced with gradual reduction in coffee, tea or energy drink.
