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Sleeping Pills

Prescription sleep-medication identification, insomnia drug safety, impairment, dependence and withdrawal resources.

Ambien (Zolpidem)

Ambien and zolpidem: duration, withdrawal, testing, side effects, dependence, overdose, complex sleep behaviors and sleep-medication comparisons.

Sleeping Pills Guides

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Pill Identifier Sources verified Aug 15, 2026

Y21 Pill: Eszopiclone 1 mg Identification, Uses and Risks

LU Y21 is a light blue eszopiclone 1 mg tablet used for insomnia. Learn how to identify it, how it differs from Ambien, and its boxed warning for complex sleep behaviors, next-day impairment and…