Do you have a cough? Try some rosemary, the eucalyptol in this aromatic herb is proven to loosen chest congestion making phlegm easier to expel. Rosemary is also rich in anti-inflammatory tannins, which soothe a sore throat.
Research suggests that honey may be more effective than over-the-counter cough syrup at quelling nighttime coughing. Use a medicinal-grade variety such as manuka honey and take up to 2 teaspoonfuls at bedtime.