Because we live such hectic lives it seems increasingly hard for people to distinguish between normality and stress. Ask people if they think their lives are stressful and most will say either yes, often or mostly. Ask people how they know they are under stress and the answers become a little more vague. Some may say they feel more irritable, others that they don't sleep so well. There are however some very clear signs of stress that don't necessarily jump to mind so I'd like to explore a few...