Five new studies conducted as part of a doctoral thesis show how sleep loss affects a person's emotional perception and emotional response control.
It is not clear how long a person can go without sleep, but in a famous 1964 experiment, a person managed to stay awake for 264 hours. Sleep deprivation can negatively affect energy levels, mood, and cognitive functioning. In the long term, it can increase a person's risk of several chronic conditions. Learn more here.
New research finds an autoreactive type of immune cell related to narcolepsy, adding to the mounting body of evidence that the condition is autoimmune.
Researchers have uncovered evidence suggesting that sleep loss can make us want to avoid social contact, while also sending a 'keep away' signal to others.
Hypnic jerks are muscle twitches that many people experience as they are falling asleep. Learn more about why they happen and their possible triggers here.
How does sleep act in the brain, at the cellular level? A new study in zebrafish identifies and explains the beneficial effects of slumber.
Studies in twins have identified a genetic component in insomnia. New research implicates hundreds of genes, but stress also plays a role.
The results of a new study warn that weekend lie-ins cannot effectively erase the harm resulting from insufficient sleep throughout the working week.
Groundbreaking research uses innovative methods to identify specific brain cells that explain why some people are genetically prone to insomnia.
A recent study finds that people with obstructive sleep apnea who experience the most daytime sleepiness have the highest risk of cardiovascular disease.