Known collectively as the Z drugs, zopiclone (a cousin of Lunesta), zolpidem (Ambien) and zaleplon (Sonata) have been touted as the non-addictive alternatives to their benzodiazepine predecessors.
Amid the sudden British ban on Halcion (triazolam) by the Committee on the Safety of Medicines, Upjohn has admitted that data on some adverse effects were missing from the summary originally submi ...