system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: What happens when my arm falls asleep?
gpt
You've pinched a nerve and the sensation from that nerve to your brain has stopped, temporarily. When you release the pressure, you, initially, don't feel much of anything from that limb then the feeling slowly returns and your nerve 'reboots', which feels like tingling down that limb.