How does the brain prepare for waking up? How does sleep relate to the regulation of body weight?

Aug 13, 2024 ... These medications work by changing the amounts of certain natural substances in the area of the brain that controls sleep and wakefulness. Many dreams are bizarre because part of our brain shuts down. Most dreams relate to recent awake experiences. We dream in pictures. We can learn to control our ... Jan 25, 2021 ... The control mechanisms of sleep manifest at the level of genetic, biological and cellular organization. Several brain areas, including the basal ... How can we understand sleep function based on physiological changes in the brain? What causes various sleep disorders and how can they be treated? Other areas ... Sleep results from the inhibition of wake-promoting systems by homeostatic sleep factors such as adenosine and nitric oxide and GABAergic neurons in the ... Mar 2, 2021 ... Sleeping well can be difficult for a person aged over 55, as the parts of the brain that control sleep may not work as well. An older person is ... Sep 21, 2023 ... They discovered that sleep preparatory behaviour is wired up in the top of the brain, in a region called the prefrontal cortex. In humans and ... Jul 12, 2022 ... Stroke can damage the areas of your brain that control sleepiness, leading to insomnia, worsened sleep apnea symptoms, restless leg syndrome and ... This article outlines the fundamental brain mechanisms that control sleep-wake patterns and reviews how pathologic changes in these control mechanisms ... Nov 12, 2022 ... In particular, elevated activation in the occipital cortical regions (including the retrosplenial cortex and visual areas) became dominant ...