Dry air can cause a sore throat, itchy skin and cold symptoms that just won’t quit. That’s enough to make anyone wake up grouchy. But if you’re a parent, you know that your kid’s quality of sleep (and morning mood) can really make or break the day. Cover your bases with one of these cool-mist humidifiers and you might not have to spend the next three hours wiping snot from your mini’s nose (maybe). Here, the best humidifiers for your baby or toddler.