Can I astral project more then once a day?

so, i've been trying to astral project for almost a week now and I came extremely close today. After about 15 minutes of complete relaxation, I was at a stage where my astral body was leaving my physical. However, I got freaked out and opened my eyes. That happened at about noon. The whole rest of the day was like I could "feel" my astral body and vibes inside me (particularly in my hands, which have been tingling a lot). I'm about to go to bed and wanna try this again. Did I use all my energy the first time I tried? And would it be safe to try it again only 9 hours after the first try? PLEASE don't answer if you're a skeptic and don't believe in this sh*t.