| Title | Hypnotic and Sleep Quality-Enhancing Properties of Kavain in Sleep-Disturbed Rats. | | Author(s) | Tsutsui R, Shinomiya K, Takeda Y, Obara Y, Kitamura Y, Kamei C | | Institution | Department of Medicinal Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan. | | Source | J Pharmacol Sci 2009 Oct 31. | | Abstract | The present study was performed to investigate the effects of kavain on the sleep-wake cycle in comparison with that of rilmazafone and diphenhydramine using sleep-disturbed rats. Electrodes for the electroencephalogram (EEG) and electromyogram (EMG) were implanted into Wistar rats. Total awake time, non-rapid eye movement (non-REM) sleep and rapid eye movement (REM) sleep were measured for 6 h. Kavain and rilmazafone showed a significant shortening in sleep latency, decreased awake time, and increased non-REM sleep time. On the other hand, significant shortening of the sleep latency was observed following the administration of diphenhydramine, while no effects were observed on the awake and non-REM sleep time. Moreover, kavain showed a significant increase in delta activity during non-REM sleep in sleep-disturbed rats, whereas a significant decrease in delta power during non-REM sleep was observed with rilmazafone. These results clearly indicate that kavain is a compound with not only hypnotic effects, but also sleep quality-enhancement effects. | | Language | ENG | | Pub Type(s) | JOURNAL ARTICLE
| | PubMed ID | 19881224 |
|
