The Sleeping Brain Suppresses External Inputs When Dreaming, But Not During All Sleep

To better understand how the brain protects itself from outside influences, researchers invited 18 participants to a morning nap in the lab.

Acetylcholine and metacognition during sleep - ScienceDirect

Dream a Little Dream – Dartmouth Undergraduate Journal of Science

Dreaming Sleep Official Website

What is going on inside the brain when we are sleeping? - Quora

The Nocturnal Brain

Mulitcellular Organisms

Tinnitus: at a crossroad between phantom perception and sleep, Brain Communications

What is sleep exactly? Global and local modulations of sleep oscillations all around the clock - ScienceDirect

The mysteries of sleep: everything we don't know about why we snooze - BBC Science Focus Magazine