Body aches, no fever, eating well, still active and sometimes the aches go away. no chills but finding it difficult to sleep and keep waking up?

Several things: With symptoms this complex, you owe it to yourself to call your doctor to help you make sense out of them.

How Long?: If this just started, it could come from a minor viral infection. If it has been there over two weeks, diagnosis will usually require tests. Other viral symptoms like a stuffy nose make the diagnosis of viral infection. Some who could check you would be able to know much more.