Hi ladies, my almost 4mo baby girl came down with her first cold the other week. We bought her a vaporiser and have been using that with peppermint, eucalyptus and lavender oils mixed into the water. She sleeps soooo well with it on through the night (I leave her nursery door open because otherwise it's quite a strong smell), and the nights she's slept without it on since she's gotten over her cold she's not slept as well. I think the small amount of oils in the vaporiser help her sleep, but I'm not sure if it's okay to have the vaporiser on for her every night.. does anybody know? Did you use a vaporiser even when your baby wasn't sick?