In the first global sleeping survey of its kind, researchers found that sleeping rituals vary greatly throughout the world.
Researchers found that African American workers are more likely to sleep less than white American workers are.
Researchers discovered that a lack of sleep leads to increased cravings for high-calorie foods, which can lead to obesity.
Researchers tied lack of sleep to more prejudiced and stereotyped behaviors.
Researchers found that the quality of wakefulness affected how fast an animal fell asleep.
A new study found that teenagers who are sleep deprived increase their risk of getting into an accident.