While I was not put under for my wisdom tooth removal (I had only one to remove but it was growing sideways way down in my jawbone) I have been put under for three more serious surgeries. It's normal to be freaked out, but it won't be too bad. The only thing I recommend would be to calmdown and not fight it when they put you under. That's an awful feeling. Also, if you're anything like me you'll probably get severe vertigo (flopping around uncontrollably severe) and might throw up. So be prepared for that. I got morphine after wisdom tooth but it didn't do shit all for me so you might wanna stock up on advil. The hospital also gave me Percocet when I went back in because I thought it was an infection, so they might give you that. Also STAY HYDRATED.