The two-process model of sleep regulation: a reappraisal
In the last three decades the two-process model of sleep regulation has served as a major conceptual framework
Sleep Homeostasis, Metabolism, and Adenosine
Sleep is an integral and constitutive part of life, invariably observed in animals with even a simple nervous
Pharmacognostic and pharmacological profile of Humulus lupulus L
The present review describes the morphological, phytochemical and ethnopharmacological aspects of Humulus lupulus L. (Cannabinaceae) and summarizes the most interesting
A randomized, double blind, placebo-controlled, prospective clinical study to demonstrate clinical efficacy of a fixed valerian hops extract combination (Ze 91019) in patients suffering from non-organic sleep disorder
Valerian and hops are traditionally used as sleep aids. Since the fixed extract combination (Ze 91019) as a
Interactions of valerian extracts and a fixed valerian-hop extract combination with adenosine receptors
Phytopharmaceuticals and dietary supplements containing valerian are used as mild sleep-inducing agents.
Effect of a fixed valerian-Hop extract combination (Ze 91019) on sleep polygraphy in patients with non-organic insomnia: a pilot study
A pilot study with a fixed extract combination Ze 91019 of valerian and hop was conducted in 30
The scientific basis for the reputed activity of Valerian
The underground organs of members of the genus Valeriana (Valerianaceae), as well as related genera such as Nardostachys, are used in
