Sleep deprivation is the condition of not having enough sleep; it can be either chronic or acute. A chronic sleep-restricted state can cause fatigue, daytime sleepiness, clumsiness, and weight loss or weight gain.  It has also been shown to adversely affect the brain and cognitive function.  Now, a study from researchers at the University of Bonn shows that 24-hour, shift-related, short-term sleep deprivation leads to a … Continue reading Short-term sleep deprivation shown to affect heart function.