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flag UK's Dryft Sleep promotes humming as a remedy for cold symptoms, boosting immunity and airflow via nitric oxide.

flag Dryft Sleep, a UK-based mouth tape company, promotes humming as a remedy for cold symptoms, particularly nasal congestion. flag The technique involves inhaling through the nose and humming during exhalation, which is said to produce nitric oxide, known for its anti-inflammatory and immune-boosting properties. flag Practicing this for a few minutes daily may enhance airflow in blocked sinuses and provide additional benefits like stress reduction and improved brain function.

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