Sleep is a major determinant of physical and mental health and, conversely, sleep deficiency is associated with a variety of clinical conditions including cardiovascular diseases and psychiatric and ...

A 2023 study found that shorter sleep duration causes reduced brain cortical thickness. Sleep disorders increase the risk of Alzheimer’s, stroke, and cognitive decline. Chronic sleep deprivation ...

Sleep is critical for daytime and neurocognitive functioning, as well as physical and mental health. When people work shifts – in 2015, 21% of workers in the European Union did – their circadian sleep ...

Non-24-hour sleep-wake disorder (N24SWD) occurs when your sleep-wake cycle gradually shifts out of sync with the 24-hour day. It affects about half of blind people, but it can also affect those with ...

Sleep disorders can affect people of any age. Delayed sleep-wake phase disorder, restless legs syndrome, and insomnia are a few examples of disorders that may disrupt sleep cycles in teens. Sleep-wake ...

Many people experience problems sleeping including not getting enough sleep, not feeling rested and not sleeping well. This ...