Sleep

Although they don't have eyelids that they can close, fish do indeed sleep – and as is the case with humans, sleeping is crucial to their health. According to a recent study, though, city lights may be keeping them awake at night.

A link between diseases such as Alzheimer’s and sleep loss has been frequently cited, and a new study has now discovered a signaling pathway that both regulates sleep and controls the protein aggregations commonly associated with neurodegeneration.

A newly published study from researchers at Brigham and Women’s Hospital in Boston is suggesting irregular sleep patterns, such as inconsistent bedtimes from day to day, can potentially double a person’s risk of developing cardiovascular disease.

Should you suffer from insomnia, you'll know how tempting it can be to rely on sleep-aid drugs. A new study, however, suggests that insomniacs may have success with a natural supplement, in the form of saffron extract.

Scientists have understood for several years how linking learning to specific odor cues can enhance memory if the same smells are then presented during a specific sleep phase. New researcn has now verified the method in a cohort of school students.

It makes a certain amount of sense to think that a harsh, jarring alarm tone would be most effective at thoroughly waking a person up. According to a new study, though, a melodic tone may work best for minimizing morning grogginess.

New research has now zeroed in on the finer details of how weight gain and obesity can be a driver of sleep apnea, revealing that a reduction of fat in the tongue appears key to lessening the severity of its symptoms.

A new study from the University of Manchester is questioning common consensus, arguing perceived color can influence circadian clocks. Animal experiments suggest exposure to yellow light at night from screens could be confusing our body clocks.

A new study suggests sleeping more than nine hours a night, and/or taking long midday naps, can significantly increase a person’s risk of stroke. The research adds to a growing body of work finding deleterious health effects from excessive sleep.

Scientists at UC Berkeley have homed in on exactly which phase of sleep seems to best keep anxiety levels in check. The research suggests sleep deprivation lowers activity in the prefrontal cortex, a brain region that helps regulate our emotions.

Babies certainly like being rocked to sleep, and really, so do adults – the problem is, adult-sized beds don't rock. The Ensven system is designed to remedy that situation, bringing movement to your boring old bed.

A new study out of Northwestern University has found the old advice of solving a problem by "sleeping on it" is not only true, but can be improved by using sound cues to manipulate our brain while we sleep.