Our Brains Are Highly Active When We Sleep
Most of us equate sleeping with restfulness and peace. In reality, dreaming (REM sleep) is the time when our brains are most active at night. The brain is working on critical tasks and processing emotions from the day and previous weeks. It’s also working to energize us for the next day when we wake up. According to Ninds, “the amygdala, an almond-shaped structure involved in processing emotions, becomes increasingly active during REM sleep.” Stage-3 non-REM sleep is the period of deep sleep that aids in us feeling refreshed the next day, which happens in the first half of the night