overdose by way of insulin

Hi all, I'm new here so please don't judge if I ask silly questions. My father is insulin dependent and has been for 33 years, he is now 66 years of age. He started off just monitoring his sugar levels for a few years. He then went to dietary controlled and quite quickly on to insulin. He...

I'm almost certain I've been injected with insulin while I sleep. I've found an insulin syringe (preloaded dialup dosage injector) along with several needle pricks on my arms and fingertips at my feet after waking up. I live alone and I know it wasnt me that had used it. Not long after waking up...