Sleep is one of the most fundamental processes for maintaining brain health, yet millions of people struggle with insomnia, which can lead to memory impairment, mood disturbances, and increased risk of neurological disorders. What Is Insomnia? Insomnia is characterized by difficulty falling asleep, staying asleep, or waking up too early, leading to daytime fatigue, difficulty […] The post Insomnia and the Brain: Why Sleep Is Essential for Cognitive Health appeared first on Neuro Science.