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Lunesta, known by its generic name eszopiclone, is a prescription medication primarily used to treat insomnia, a sleep disorder characterized by difficulty falling asleep or staying asleep. Here are key points to know about Lunesta:

Mechanism of Action: Lunesta is a non-benzodiazepine sedative-hypnotic that acts on the central nervous system by enhancing the effect of gamma-aminobutyric acid (GABA), a neurotransmitter that inhibits brain activity. This results in a calming effect, promoting sleep.

Usage and Dosage: Lunesta is typically taken orally, just before bedtime, on an empty stomach. The recommended dosage may vary based on individual factors, and it's important to follow the healthcare provider's instructions closely.

Duration of Treatment: Lunesta is generally prescribed for the short-term treatment of insomnia. Long-term use should be avoided due to the potential for tolerance and dependence. Abruptly stopping Lunesta without medical guidance is not recommended.