Sleep / Sleep Disorders / Insomnia

What causes excessive sleepiness?

Share on PinterestExcessive sleepiness can disrupt a person’s daily activities. Excessive sleepiness can be difficult to quantify, as it may mean different things to different people. In general, it is a feeling of fatigue or sleepiness that lasts throughout the day or for many days. Excessive sleepiness is a relatively common issue. A 2019 study […]

Immune System / Vaccines Sleep / Sleep Disorders / Insomnia

Sleep allows immune cells to do maintenance work on the brain

Studies have shown that during sleep, the brain reactualizes, updating memories, and clearing up “waste.” New research in mouse models suggests that specialized immune cells keep the brain in good working order by maintaining it during sleep. New research in mice shows that immune cells are better able to perform maintenance work on the brain […]