Distilled water is a completely different animal than regular drinking water, and it can be important to have on hand.

Medically reviewed by Arno Kroner, DAOM Using a continuous positive airway pressure (CPAP) machine to treat sleep apnea comes with a potential risk of infection, including sinus infections and ...

distilled water can provide a clean, safe alternative. It's also useful for medical devices like CPAP machines that require pure water to function properly. You can purchase distilled water at ...