The trouble is, you see, that if you do know Right from Wrong you can't choose Wrong. You just can't do it and live.
Madness string 2230
When you're tired all the time and it becomes normal, it becomes harder for you to tell when you're tired, in my experience. You only admit to being tired when you're feeling exhausted, because that's when you can tell it's different. Because surely I can't be tired all the time?