The Food and Drug Administration is strengthening warnings on some popular sleep aids.
Pills like 'Lunesta' and 'Ambien' will now require new black-box warnings for potentially dangerous side effects.
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The FDA reports at least 20 recent deaths have been blamed on the pills.
The group says people have been seriously hurt while sleepwalking and sleep driving.
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It also notes near-drownings and car crashes.
One in 8 people who have difficulty sleeping use sleep aids.