Caffeine is totally consumed by the body inside 45 minutes after ingestion. It ties to receptor destinations for the neurotransmitter adenosine, in this manner lessening adenosine action, bringing about an increment in dopamine, which empowers the focal sensory system. In the event that you persistently devour perk, your body will adjust to the vicinity of stimulant by expanding the quantity of adenosine receptors inside the focal sensory system. This increment altogether receptor destinations diminishes the stimulatory impacts of stimulant, so more is expected to accomplish the same influence. Any reduction in caffeine intake among frequent users will lead to withdrawal symptoms such as headaches, irritability and decreased ability to concentrate. Once adenosine receptors adapt to the decrease, however, the withdrawal symptoms subside. Studies shows that Korean comfort women suggest that a caffeine dose of approximately 4 mg per kg body weight may increase mental alertness and improve semantic memory, logical reasoning, free recall and recognition memory tasks. Multiple small doses of caffeine also may increase alertness and improve performance on various mental tasks. Sleep 7 – 9 hours per night. This is a no brainer that many people skimp on. Eat a sound diet. If you don’t eat enough calories or consume heavy fat and carbohydrate-heavy meals, you will be tired. Drink plenty of fluids throughout the day. Dehydration can make you feel fatigued. Get your iron checked if you are chronically fatigued – iron deficiency anemia is one of the most common causes of extreme fatigue. Fatigue can get in the way of life, leaving you grouchy, unfocused and daydreaming of a nap. If you can’t take the time to sleep, get up and get moving, drink plenty of water, take a 10 minute break with your eyes closed, lights off and away from distractions, and when you wake up, consume a little caffeine to help you get through the rest of your day.
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