May 5, 1976

A comparison of the effects of flurazepam 30 mg and triazolam 0.5 mg on the sleep of insomniacs

G W VogelA Thurmond


The effects of oral, bedtime triazolam 0.5 mg and flurazepam 30 mg, on the laboratory sleep of 12 insomniacs were compared in a double blind, crossover study. A 22 consecutive night schedule was used: Nts. 1--2 placebo; 3--6 first drug; 7--8 placebo; 9--14 no drugs; 15--16 placebo; 17--20 second drug; 21--22 placebo. In 6 Ss first drug was triazolam and second drug was flurazepam. In the other 6 Ss the drug order was reversed. Effects on sleep were assessed objectively by conventional EEG/EOG/EMG sleep recordings and subjectively by questionnaires administered each morning. Side or toxic effects were assessed by physical exams, clinical lab tests, and twice daily questionnaires. During their administration the two drugs were practically indistinguishable in their effects. Both significantly reduced objective and subjective measures of insomnia, such as total wake time and sleep latency. On discontinuation the drugs differentially affected sleep, e.g., on the first post flurazepam night total sleep time was significantly more than baseline whereas on first post triazolam night, total sleep time was significantly less than baseline. There were no remarkable side or toxic effects with either drug.

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Mentioned in this Paper

Laboratory Procedures
Sleep, Slow-Wave
Anti-Anxiety Effect
Sleep Stages
Insomnia homeopathic medication
Clinical Trials
Transient Insomnia

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