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Wien Med Wochenschr. 2007;157(13-14):367-70.

Scientific evidence for a fixed extract combination (Ze 91019) from valerian and hops traditionally used as a sleep-inducing aid.

Author information

  • Max Zeller Söhne AG, Romanshorn, Switzerland. Axel.Brattstroem@ZellerAG.ch

Abstract

Valerian and hops are traditionally used as sleep-inducing aids. Alertness reduces gradually with the prolongation of wakefulness through the release of endogenous adenosine in the frontal basal cortex. Valerian has an adenosine-like action and supports the readiness to fall asleep. The control of the sleep-wake rhythm induces sleep when the time-related interaction is operating properly. The control is closely related to endogenous melatonin secretion. Hops act in a similar way to melatonin. Therefore, the efficacy of a valerian and hops combination in sleep disorder can scientifically be explained.

PMID:
17704989
[PubMed - indexed for MEDLINE]
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