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Trazodone enhances sleep in subjective quality but not in objective duration.

Abstract
Nine volunteer poor sleepers, of mean age 61 years, took trazodone 150 mg nightly for 3 weeks, preceded by 2 weeks and followed by 1 week of matching blanks, in order to examine the effects of electrophysiologically-recorded and subjectively-rated sleep. The second of the initial weeks of matching blanks served as a baseline week. In the subjective ratings, sleep improved in quality on trazodone, significantly so in the first and second weeks of intake, though with significant rebound insomnia on the second withdrawal night. Trazodone halved the frequency of arousals interrupting sleep, and it reduced the time spent in stage 1 (drowsiness). It increased the duration of slow-wave sleep (stages 3 + 4), with a negative rebound following withdrawal. It reduced the time spent in REM sleep, with a rebound above baseline levels after withdrawal. Trazodone did not change total sleep duration, nor the time required to fall asleep. The effects of trazodone were sustained or became enhanced during the period of intake. They persisted for over 24 h after the last dose, and rebound effects were maximal on the second withdrawal night.
AuthorsI Montgomery, I Oswald, K Morgan, K Adam
JournalBritish journal of clinical pharmacology (Br J Clin Pharmacol) Vol. 16 Issue 2 Pg. 139-44 (Aug 1983) ISSN: 0306-5251 [Print] England
PMID6615688 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Piperazines
  • Trazodone
Topics
  • Aged
  • Electroencephalography
  • Electromyography
  • Female
  • Humans
  • Male
  • Middle Aged
  • Piperazines (therapeutic use)
  • Sleep Stages (drug effects)
  • Sleep Wake Disorders (drug therapy)
  • Sleep, REM (drug effects)
  • Substance Withdrawal Syndrome (psychology)
  • Time Factors
  • Trazodone (therapeutic use)
  • Wakefulness (drug effects)

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