Can I leave this running when I fall asleep? Alex November 06, 2018 14:39 Updated Follow A. Yes, the humidifier has an auto-shutoff feature after running for 8 hours. Related articles How do you clean it? How often should it be cleaned? Can I use this in a hotel to grant internet access to my devices? Quick Guide What is the Early Adopter program? User Manual Comments 0 comments Please sign in to leave a comment.