What are the negative effects of benzodiazepines such as halcion & xanax (alprazolam)?

Benzodiazepines SE: are sedation, drowsiness and mental confusion. Some patients may react to benzodiazepines by showing irritability, increased excitement, aggression and hostility. Ask your doctor for more information.

Side effects: These medications could cause you to feel drowsy, dizzy,lose balance or coordination, slur speech,have problems with memory & concentration, be confused, faint, have low energy, feel depressed or anxious as well as developing headache, insomnia etc.