system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is it so difficult to type (i.e. move your fingers quickly and precisely, or even at all) when your hands are very cold?
gpt
When cold, your body reduces blood flow to extremities such as the fingers to conserve heat. This makes the nerves in the fingers less responsive, thus the numb feeling you get as well as the difficulty in making them move with the same agility as when warm.