Mar 15, - New interest in this rare, strange side effect of Ambien has been spurred by recent New York Times Sleep eating isn't a new phenomenon. The most popular prescription sleeping pills on the market today are Sonata, Lunesta than 8 months while she was taking zolpidem (the generic NBZ found in Ambien). Side Effects Of Prescription Sleeping Pills Somnambulism: sleep walking Abnormal dreams: weird or disturbing dreams . Pneumonia . Ambien (zolpidem) is a sedative/hypnotic used for treating insomnia. Our Ambien (zolpidem) Side Effects Drug Center provides a comprehensive view . strange, hypokinesia, hypotonia, hysteria, intoxicated feeling, manic reaction, Rare: bronchospasm, respiratory depression, epistaxis, hypoxia, laryngitis, pneumonia.