Why You Replay Conversations at Night

It's 11pm. The meeting ended at 3. So why is your body still in it? Your mind isn't replaying the conversation to figure it out. Your body is replaying it because, as far as it knows, the conversation never ended. There's no bell that rings at the end of a hard day. Here's what actually tells your body it's over, and why fighting the replay only gives the meeting a sequel.