I had my first out of body experience last week

I was sleeping, and somewhere in the middle of the night, I had an partial out of body experience. I clearly remember trying to get out of my body completely, but I was only able to get out up to my chest area. I was lying on my side and I was able to see my face. I don't know what stopped me to experience full OOB experience. It happened twice that same night. I'm thankful to my Ishta and my guru. Matre Namaha