Sleep medicine
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Randomized Controlled Trial
A randomized placebo-controlled polysomnographic study of eszopiclone in Japanese patients with primary insomnia.
To evaluate the efficacy and dose-response effect of eszopiclone on sleep latency and sleep maintenance in Japanese patients with primary insomnia. ⋯ In Japanese patients with primary insomnia, eszopiclone 2mg and 3mg significantly improved PSG-determined and patient-reported sleep latency and sleep maintenance relative to placebo.