New research from a multidisciplinary team helps to illuminate the mechanisms behind circadian rhythms, offering new hope for dealing with jet lag, insomnia and other sleep disorders. New research ...

Tweaking the numbers of receptors in a key brain area changes the daily rhythms of rest and wake in mice. In humans and other animals, signals from a central circadian clock in the brain generate the ...

Scientists at the Johns Hopkins University School of Medicine and the National Institutes of Health have identified a protein in the visual system of mice that appears to be key for stabilizing the ...

Circadian rhythms are endogenous time-keeping mechanisms that regulate physiological processes in response to external light-dark cycles. These rhythms are orchestrated by the suprachiasmatic nucleus ...

Every cell in the human body operates on an intricate internal schedule, governed by circadian rhythms that synchronize our biological processes with the 24-hour cycle of day and night. Coordinated by ...

Circadian rhythm is your body’s internal 24-hour clock that affects sleep, waking, eating, and other daily functions. Screen light within two hours of bedtime can disrupt your sleep cycle and make it ...

Within the hypothalamus is the suprachiasmatic nucleus (SCN), a key regulator of the circadian timing system (CTS). Communication between light and the SCN is facilitated by the retinohypothalamic ...

Until now, the specific neurobiology of how our circadian clocks keep track of the seasons has been a mystery. Recently, researchers led by Toru Takumi at the RIKEN Brain Science Institute in Japan ...

Every cell in the body has a circadian rhythm. This rhythm follows a near 24-hour cycle that is synchronised to day and night. These circadian rhythms are critical for health and wellbeing. Sleep and ...