I T IS HARD to overstate the importance of sleep. Regular hours of rest offer organisms of all sizes a chance to consolidate ...

According to Dr. Karolina Armonaitė, a neuroscientist from Kaunas University of Technology in Lithuania, a more precise ...

Researchers analyzed electrical recordings from 106 patients and found that two different kinds of brain timescales—based on broad and gamma-frequency brain signals—both became longer during sleep.

Every night, while the body rests, the brain orchestrates a vital cleanup operation. Cerebrospinal fluid, which bathes the brain, flows through its tissues, flushing away the chemical debris of the ...

Hand-painting the electrodes and wires and then drying them with a hair dryer takes a total of around 25 min, she says, after which they can accurately measure brain signals for up to 72 h.

Heat makes it harder to sleep. In Baghdad, some neighbors set up mattresses on their roof to find a cool sleeping spot. A new study finds the risk of sleep apnea goes up along with temperatures.

What is a sleep study? A sleep study, also known as a polysomnogram, is a diagnostic test that monitors various body functions while a person is asleep. It is most commonly used to diagnose sleep ...

Medicare covers sleep tests for certain conditions such as sleep apnea, narcolepsy, or parasomnia, but limitations may apply.

In the study, published Wednesday in online journal Neurology, researchers found people with poor sleep quality have more signs of poor brain health in late middle age.

I called a sleep doctor, who gave me the implications in plain terms: “If you don’t get this treated, you’re probably going to die early,” she said. Sleep apnea is no joke.

Diet, exercise and sleep are fundamental to our health, but so it our relationship to light. A massive, new study suggests light-driven disruption can take years off our lives.