breastmilk unrefrigerated

Tara • 21🪁 || Girl Mom 🩰

How long can i leave breastmilk that is in a bottle out? I breastfeed throughout the day and give her a bottle at night. She goes to bed around 10:00pm and then about 2-3am she takes the bottle. Can i leave the bottle by the table for that long unrefrigerated?