Dopamine is a chemical in the brain, which keeps your brain going even when you are physically tired. The levels of dopamine changes with the sleeping pattern, enabling you to stay up and alert even when you are tired.
Science shows that lack of sleep affects the ability to think and learn. But research suggests that dopamine plays an important role in peoples ability to function without sleep.
Dopamine is a complex brain chemical and sleeplessness or lack of sleep is a complex state of mind, so it is necessary to try and strike a good balance between work and rest. After all only work and no play and rest makes Tom a dull boy.
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