why does my back hurt?

Hi, I am 18, a guy. my back hurts for no reason, whenever I wake up in the morning (I sleep on my stomach) my back just hurts. I can t get up in the morning without it aching, it feels like a sharp pain when I wake up. could it be from my workout routine at the gym? I run 2 miles and do 80 pounds of upper body. whats wrong with my back?

2019-08-12T04:54:02Z

the sharp pain is in my lower back

She2019-08-12T13:13:40Z

I can tell you what helps me. Drinking water. It's like a cure-all. I try to drink before 8pm. That way it doesn't interfere with my sleep. Look on Youtube for some exercises. Link below to get you started. https://www.youtube.com/watch?v=tGZR43Zz-ak

?2019-08-12T08:51:12Z

There is a reason. You just don't know what it is yet.