Medical research

What you eat may affect your body's internal biological clock

Food not only nourishes the body but also affects its internal biological clock, which regulates the daily rhythm of many aspects of human behavior and biology. Researchers reporting in the Cell Press journal Cell Reports ...

Health

Sleep loss lowers testosterone in healthy young men

Cutting back on sleep drastically reduces a healthy young man's testosterone levels, according to a study published in the June 1 issue of the Journal of the American Medical Association (JAMA).

Health

Getting a good night's sleep complicated by menopause

The value of a good night's sleep can't be underestimated. Unfortunately, sleep complaints are common during the menopause transition. A new study from Canada compared sleep quality, sleep duration, and sleep disorders between ...

Neuroscience

The secret connection between anxiety and sleep

You may have experienced sleepless nights when you were anxious, stressed or too excited. Such emotions are well-known to affect wakefulness and can even cause insomnia, though the underlying mechanisms in our brain have ...

Medical research

Calcium controls sleep duration in mice

University of Tokyo and RIKEN researchers have identified seven genes responsible for causing mice to stay awake or fall asleep based on a theoretical model of sleep and on experiments using 21 different genetically-modified ...

Neuroscience

Findings reveal brain mechanisms at work during sleep

New findings presented today report the important role sleep plays, and the brain mechanisms at work as sleep shapes memory, learning, and behavior. The findings were presented at Neuroscience 2012, the annual meeting of ...

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