Not always. A subluxation or nerve pressure is like a dental cavity – you may have it for a long time before symptoms appear. That’s why periodic checkups are so important. One common symptom of nerve stress is fatigue. Unbalanced body structure causes you to lose energy – you may feel like you don’t get enough sleep or you wake up tired. Although it may be possible to know you have spinal nerve stress, it is rarely possible to be sure you don’t. An occasional spinal checkup is always a good idea.