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What is leptin?

Leptin is a hormone that alerts your brain that you're full, so you can stop eating. It is produced during healthy sleep. When you don't sleep well, less of this hormone is produced, which is one reason researchers link obesity to sleep deficiency.

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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.