Blood dreams tend to feel alarming on waking, but they're extremely common and almost never carry the literal meaning the imagery suggests. Blood in dream logic usually functions as a marker of vitality, loss, or something draining your energy.
Seeing your own blood
This most commonly appears during periods when you feel depleted — physically, emotionally, or in terms of time and energy being taken from you faster than you can replenish it. It's rarely connected to actual physical health concerns.
Blood on your hands
This specific image often relates to guilt or responsibility — a sense that you're implicated in an outcome, even if you didn't directly cause it. It shows up frequently during periods of difficult decision-making where there's no clean option.
Someone else bleeding
Dreams involving another person's blood usually reflect concern for that person, or a sense that your relationship with them is costing one of you something significant.