Not necessarily the sleep itself, but I've had many good ideas while trying to fall asleep, when I wasn't actively focusing on anything. The default mode netwo

Not necessarily the sleep itself, but I've had many good ideas while trying to fall asleep, when I wasn't actively focusing on anything. The default mode network is thought to be involved in creative thinking, and it's most active when you're not actively focused on a task: https://en.wikipedia.org/wiki/Default_mode_network https://en.wikipedia.org/wiki/Default_mode_network