Light-duty ultrasound humidifiers are proven to reduce congestion, reduce mouth dryness, and therefore snoring and the need for water consumption. They also show benefits in reducing dry skin and reducing the spread of germs in their immediate area.
This model is silent and uses a tiny amount of power- it simply plugs in to any USB wall plug. It also has 7 different colour USB lighting modes if that takes your fancy. You pour 200ml of water into it's little reservoir and that tends to last around 4-8 hours.
"I have found this very effective in dry, air conditioned rooms and in reducing my need to drink water through the night" -Colin