Cavemen survived on less, according to a sleep therapist Merijn van de Laar's new book. In it, he argues that ending the ...

Poor sleep hygiene can lead to negative health outcomes, but what exactly is sleep hygiene and how can you improve it?

We asked experts whether you really can get by with just four hours sleep, and how to manage the day after if that's all ...

There is a belief that older people need less sleep than children or young adults. This is a popular myth. Waking up early ...

Research has identified certain genes, such as DEC2, that are associated with reduced sleep need. These people may feel rested and alert after only 4 to 6 hours of sleep, while others may need ...

Sleep disorders are fairly common in older adults, resulting in many getting less sleep than they need. This may be due ... sleep fewer hours, and wake up frequently in the night or early morning ...

are genetically wired to need only four to six hours of sleep a night. These outliers suggest that quality, not quantity, is what matters. If scientists could figure out what these people do ...

Habitually getting up to pee in the middle of the night can impact sleep quality. Here's how to cut down on these nighty ...

The figure reaches out to you… what does it look like ... region of Italy believed that their sleep paralysis was possibly caused by the Pandafeche, and many even called the whole experience ...

Sleep-starved Japanese adults need to ... sleeping too much as they tend to spend more time in bed and take more naps. Also, some reports suggest that sleeping more than eight hours a day ...

More on narcolepsy. Getting 7 to 9 hours of sleep nightly, which is how much most adults need, can be difficult. Here are some sleep hygiene tips to help improve your sleep quality and duration.