12/24/2025
Even when we sleep, our đź§ is still working.
In a recent study, researchers located that during sleep, our đź§ is working differently than when we are awake. Ex: focusing on crucial tasks like memory consolidation (sorting the day's info), learning, repairing itself by clearing toxins, processing sensory input (even if you don't consciously notice it), and preparing for the next day, using distinct activity patterns and energy shifts depending on the sleep stage.
Here are some of the key functions of our đź§ during sleep:
•Memory & Learning: It replays, bundles, and strengthens memories, deciding what to keep and what to discard, making new learning more efficient.
•🧠Detox: The brain's "cleaning crew" (glymphatic system) becomes more active, flushing out metabolic waste and toxins that build up during the day, like beta-amyloid, which is linked to Alzheimer's.
•Sensory Processing: Parts of your auditory cortex remain active, processing sounds like music or voices, which is why you might hear things but not fully wake up.
•Emotional Regulation: It processes emotions and integrates experiences, helping you cope with the day's events.
•Physical Restoration: It organizes activity through sleep waves, essentially "rebooting" and maintaining itself.
Here are how activity changes:
•NREM (Non-Rapid Eye Movement) Sleep: Areas for thinking quiet down, while sensory/movement parts stay active, processing input.
•REM Sleep: Characterized by vivid dreams and high brain activity, similar to wakefulness in some ways, crucial for emotional processing.
•Tiny Sleep Cycles: Even while awake, small brain regions cycle in and out of sleep, suggesting constant fine-tuning.
Overall, sleep isn't downtime; it's a vital, different kind of work that keeps your brain healthy and functioning optimally.
If you are struggling with your sleep, give us a call.