It can run for up to 10 hours on warm mist setting or 12 hours if you opt for cool mist. (businessinsider.com)
Most warm mist models are usually quieter, less expensive and durable compared to their cool mist counterparts. (thankyourbaby.com)
Not only do these devices spread warm mist around the room, some even have some really cool extra features that are a major plus in any baby's room. (earlymomentsmatter.org)