Waking up in the middle of the night with a completely white, cold and motionless finger is frankly unsettling. You immediately think of the worst, your heart beats violently, and you begin to imagine thousands of disastrous scenarios. And yet, this phenomenon is much more common than you think. What’s more, it’s very simple to explain. Before you panic, here’s everything you need to know to understand, react to, and, above all, prevent it.
What really happens in your finger?
It all starts with a natural mechanism, vasoconstriction. Simply put,
