BWLL nasal strips have no drugs, no side effects, and work instantly. Since they're completely non-invasive, they can easily be incorporated into your nightly routine, supporting your sleep goals without compromising comfort. After your first morning waking up refreshed and energized, you won't want to go back to your old sleeping habits. *Sleep Tip: Better nasal breathing has been linked to increased deep sleep, reduced anxiety, and waking up without that groggy feeling. Combine with mouth tape to eliminate dry mouth completely.