Physiological Phenomena: News and Research on Circadian Rhythm

MeSH tree: G07.180.562.190

The body's internal clock can be determined from a hair sample

A research team at Charité–Universitätsmedizin Berlin has developed a test that can determine a person's chronotype based on their hair roots. It is intended to lay the foundation for circadian medicine—that is, medicine ...

How shift workers' internal clock affects their health

Health care workers who take on extended or overnight shifts, particularly during periods of operational strain, may face heightened fatigue that can affect their own well-being. This fatigue arises not from individual effort ...

Nearly half of U.S. kids lack adequate sleep, survey shows

Nearly half of all U.S. children aren't getting the sleep they need, a new National Sleep Foundation survey reports. About 44% of children do not consistently get the recommended amount of sleep for their age, according to ...

Daylight saving time triggers more migraines, cuts deep sleep

Each spring, 48 states advance the clock an hour to observe daylight saving time. A new study led by UC Davis neurologist and sleep expert Sasikanth Gorantla shows that the change can lead to more migraines and less deep ...

How to get ready for daylight saving time

You love it—or loathe it. Either way, the clocks jump forward one hour on Sunday morning for the start of Daylight Saving Time, providing an extra hour of evening light through Nov. 1. That means one hour less sleep this ...

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