Do you struggle to control your emotions when you’re tired? Here’s why a lack of sleep has the power to leave us tearful and short-tempered, according to a sleep expert. For the most part, ...

A bad night’s sleep can leave most of us irritable and grumpy. But what effect can lack of sleep have on our mood and thinking, and can it harm our mental health in the longer term? We teamed up ...

Teenagers who slept less than 7.7 hours in a sleep lab were observed to be almost three times more likely to have elevated blood pressure than well-rested peers. Those who reported insomnia and ...

Doctors warn that could hurt a person’s memory. Sleep psychologists at the Cleveland Clinic say a lack of sleep can impact their short-term memory first. It can then affect a person’s long ...

4 hours of sleep each night? Or better yet, how is it that Leonardo Da Vinci only slept in 20 minute spans every four hours? This "Sleepless Elite" usually touts their lack of snoozing as the key ...

Lack of sleep can also affect how you feel, making you stressed, anxious or grumpy – which can in turn make it more difficult to get to sleep. Your body can also feel negative effects if you don ...

While scientists are still unsure exactly why we need sleep, they do know it rejuvenates the body and mind, making it critical for our daily functions. And a lack of sleep leads to cognitive ...

More than half (56%) said weariness left them in a "state of despair" while 82% of working mothers admitted a lack of sleep affected their performance and output at work. And 55% said tiredness ...