Effects of Yoku-kan-san-ka-chimpi-hange on the sleep of normal healthy adult subjects

  • Rika Aizawa
  • , Takashi Kanbayashi
  • , Yasushi Saito
  • , Yuriko Ogawa
  • , Tomonari Sugiyama
  • , Tsuyoshi Kitajima
  • , Yoshihiko Kaneko
  • , Masahito Abe
  • , Tetsuo Shimizu

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)

Abstract

Yoku-kan-san-ka-chimpi-hange (YKCH) is a drug used for insomnia in Japanese traditional herbal medicine. The present study evaluated the effects of YKCH on sleep by all-night polysomnography using the double-blind method. Yoku-kan-san-ka-chimpi-hange increased the total sleep time significantly, and tended to cause an increase in sleep efficiency and of stage 2 sleep, as well as a decrease of sleep latency and of stage 3 + 4 sleep. There was no apparent influence on rapid eye movement (REM) sleep. In terms of non-REM sleep, the effects of YKCH exhibit a profile similar to those of benzodiazepines.

Original languageEnglish
Pages (from-to)303-304
Number of pages2
JournalPsychiatry and clinical neurosciences
Volume56
Issue number3
DOIs
Publication statusPublished - 2002

All Science Journal Classification (ASJC) codes

  • General Neuroscience
  • Neurology
  • Clinical Neurology
  • Psychiatry and Mental health

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