What are the causes of low back pain? is it take a long sleep can cause this problem?

Many: Muscle strain, facet disease, arthritis, herniated discs. Any pain can cause insomnia.

Back pain: The back pain can be caused by muscle strain, spinal stenosis, ruptured disc, nerve impingement ... A long sleep might not have any relation with your pain. If your pain persists, you should seek help from a doctor. You might benefit from a comprehensive evaluation and treatment.