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Do we need sleep?

We may not know precisely why we do sleep, but we need it. All mammals sleep. In fact, according to sleepfoundation.org, research has shown that a lab rat that would live three years under normal circumstances will die in about three weeks without sleep.

We know we have not had enough sleep if we feel sluggish, fuzzy-headed and lethargic. Long-term sleep deprivation is known to have so much impact on the human psyche that virtually every military uses it as a form of torture. Some studies show that going too long without sleep can make us feel a little drunk.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.