I am experiencing weakness, numbness, tingling, and heaviness in the arms and legs daily, gets worse when I'm lying down or moving. What could be this? I even started having blurred vision and makes me feel tired all the time.
Your symptoms are quite general and are a good indication of a systemic problem. There are many possibilities and needs to perform a complete medical evaluation. It could be a neuromuscular problem. The first thing you should do is analyze your blood sugar level.