Increasing blood circulation can help you sleep better

Sleep is a regulated function of the brain. The brain controls your ability to fall asleep by limiting arousal signals; in essence, it is inhibiting activity in the parts of the brain which are responsible for wakefulness, causing the body to transition from the stable state of wakefulness to the stable state of rest. But how can we reasonably expect the brain to perform such a specialized function if it is starved of the ingredients it needs to function properly?

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