Try a herbal remedy . herbs recommended for relaxation and to combat sleeplessness include chamomile , passionflower , valerian and st . john ' s wort.

尝试草本疗法。您或许想试试一些具纾缓作用的草本植物如黄金菊、西番莲、缬草或金丝桃，以减轻间歇性失眠。

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"We would never encourage irresponsible marketing of St John's Wort, " he told the BBC.

BBC: Herb 'helps ease depression'

The flax-leaved St John's Wort is now spreading at Craig y Dre in Tremadog, according to Natural Resources Wales (NRW).

BBC: St John's Wort boosted by Gwynedd cliff scrub clearance

So to discover that a plant like St John's Wort has pharmaceutical properties does not rock me back on my heels.

BBC: 'Natural doesn't always mean best'