Activating Specific Serotonin Neurons Reduced Anxiety and Promoted Sleep in Mice
Neurons that are activated by the chemical messenger serotonin have a complex relationship to sleep-wake behaviors. That much is clear from past research, although the way the abundant… Read More
Relationship Between Depression and Excessive Sleepiness
People with depression and a type of excessive sleepiness called hypersomnolence sleep for longer periods than healthy individuals, but sleep just as well, according to a February 1 study in the… Read More
Researchers Pinpoint Neurons That Cause and Maintain Wakefulness
New experiments show that brain cells called VTA dopaminergic neurons are directly responsible for causing and maintaining wakefulness in mice. When these neurons are active, they create wakeful… Read More