A study published in July 2019 in the journal Current Biology indicates a poor night’s sleep—specifically, restless rapid-eye-movement (REM) sleep—negatively impacts brain function, including the work of amygdalae. These are almond-sized clusters of nuclei located deep within the brain’s temporal lobes and responsible for the consolidation of memories for long-term...

Have you ever heard of sleep architecture? Your body’s natural daily rhythms are regulated by structures in the brain that help determine when you fall asleep and wake up. People progress through a series of distinct physiological stages during sleep. Each stage of sleep serves an important purpose in keeping...