Brigham researchers found an association between alterations in circadian rest-activity rhythms and risk of frailty incidence in older adults. Wearable devices can be used to measure a variety of ...

A study expands the list of known genes with circadian variation and provides the first comprehensive list of genes with seasonal variation in each tissue. Tissues in the thoracic cavity, such as the ...

A new study suggests that stronger patterns of daily activity and rest, known as rest-activity rhythms, can strengthen ...

Eating your first meal earlier in the day and fasting longer overnight may help maintain a healthy weight. Late-night eating ...

Poorer sleep and later wake times are associated with poorer cognitive function in patients with Huntington’s disease. Although sleep and circadian rhythms may be potential targets for modifying ...

Everything you need to know about the afternoon slump: why it happens, what to eat and how to beat it without caffeine.

Cluster headache and migraine have strong ties to the circadian system at multiple levels, new findings that could have significant treatment implications. A meta-analysis of 16 studies showed a ...

You go to bed at the same time every night but still feel exhausted in the morning. You crash at 3 PM daily despite getting eight hours of sleep. You lie awake staring at the ceiling when you should ...

Both cluster headache and migraine have strong links to the circadian system, the internal clock that regulates body processes, according to a meta-analysis. Both cluster headache and migraine have ...

The daily rotation of Earth and its yearly voyage around the Sun marks the natural rhythm of life on the planet. Human health indicators such as body temperature, blood pressure and sleep, as well as ...