Ambien and Lunesta have a black box warning, the most serious warning issued by the U.S. Food and Drug Administration (FDA).

Compromised respiratory function. Sleep apnea. Myasthenia gravis. Drug or alcohol abuse. Avoid in severe hepatic impairment; may contribute to encephalopathy. Avoid abrupt cessation. Write ℞ for ...

Some drugs are specially designed as sleep aids ... Memory disturbances Behavior changes prior to sleep Hallucinations Ambien and other medicines in this class have also been blamed for episodes ...

Many people have trouble falling asleep or staying asleep, a problem commonly known as insomnia. To cope, some turn to sleep aids—medications that are either prescribed by a doctor or bought over the ...