MeSH tree: G07.180.562.190.500
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 ...
Apr 1, 2026
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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 ...
Mar 26, 2026
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At 5 a.m., social media fills with proof that the early risers have already won the day. Cold plunges. Journals. Sunrise runs. Productivity gurus insist this is the routine that separates high performers from everyone else, ...
Feb 25, 2026
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In northern climates, February has a particular heaviness. Even though we've passed the longest night of year, the days often feel darker, longer and more draining than December ever did. For society's "night owls," whose ...
Feb 10, 2026
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The familiar labels "night owl" and "early bird," long used in sleep research, don't fully capture the diversity of human internal clocks, a new study has found. The McGill University-led study published in Nature Communications ...
Feb 2, 2026
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Being more active in the morning or afternoon is not just a matter of personal preference. Chronotype, which is each person's biological tendency to function better at certain times of the day, can play a significant role ...
Jan 30, 2026
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91
Middle-aged and older adults who were more active in the evenings had poorer cardiovascular health compared to their peers who were more active during the day. This may be especially true among women, according to new research ...
Jan 28, 2026
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Your alarm goes off. Somehow you manage to get dressed, drag yourself to the gym, and start squatting.
Nov 7, 2025
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23
Are you a morning or an evening person? Those who stay up at night and go to bed late are more likely to suffer cognitive decline than morning people, UMCG research shows.
May 28, 2025
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49
Some people spring into action at dawn, while others prefer a slower start to their day. Whether you rise with a grin or a groan, scientists say your internal clock—known as the circadian rhythm—might influence that behavior ...
May 23, 2025
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