Time of day may be important for how effective the COVID-19 vaccine is. A new study suggests middle of the day may be be best.
Early birds are more likely to follow guidelines for using CPAP machines for sleep apnea, using them for longer periods at night.
Sunflowers' circadian clocks control how individual florets open in concentric rings to maximize visits from pollinators.
Getting outdoors, even in gloomy weather, may benefit your sleep, according to new research with college students.
A new study with mice reveals a link between out-of-whack circadian rhythms and lung tumor growth.
A disruption in circadian rhythm is common among mental health disorders. Understanding its molecular foundation could unlock better treatments.
A new mattress and pillow system uses heating and cooling to tell your body it's time to go to sleep.
People who do shift work are at higher risk for having a stroke later in life, even long after a return to a normal work schedule.
Daylight saving time comes with a host of negative consequences. Should the United States scrap DST? An expert weighs in.
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