Hi, I am totally new to diving and I completed my first dive two days ago. It was an introductory dive, we dove twice to 12m and each dive lasted 35 min. The instructor was the one to control everything. After the dive I've been feeling a strong pain in my neck and shoulders (more towards the left side). I felt quite fatigued for a few hours and a bit dizzy after the dive, but that went away after a night's sleep. My question is: should I be concerned about the pain in my shoulder and neck? I assumed at first it was because of the way I positioned my neck in the water. Is it common to feel a bit dizzy and experience fatigue for several hours after the dive? This was my first time and I have nothing to compare my experience to. Thanks.