#circadian-rhythms
#circadian-rhythms
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#daylight-saving-time #seasonal-affective-disorder #light-therapy #public-health #health #sleep-disruption
Psychology
fromSilicon Canals
1 week agoPsychology says people who feel a wave of sadness at dusk even on good days are experiencing these 5 patterns - and it connects to something so ancient in the human brain that psychologists say the feeling predates language itself - Silicon Canals
Twilight melancholy is a real neurochemical phenomenon where serotonin, dopamine, and cortisol levels shift as daylight fades, creating evening sadness rooted in evolutionary biology rather than psychological choice.
Health
fromSilicon Canals
1 week agoPeople who wake naturally at the same time every day possess these 9 unique traits - Silicon Canals
Natural early wakers possess exceptional body awareness, strong circadian rhythms, and strict boundary protection that enable consistent wake times without alarm clocks.
fromwww.theguardian.com
2 months agoThe perfect way to look after your health if you work shifts
We have a clock in the hypothalamus in the brain, and that clock has evolved to control many aspects of our physiology. This includes metabolism and immune system, hormones, and heart, lung and brain function. We've evolved to be awake in the daytime and asleep at night. When we do shift work, we're going against what our natural rhythms want us to do.
Public health
Science
fromwww.theguardian.com
2 months agoThe secrets of the body clock: how to tune into your natural rhythms and have a better day
Human circadian clocks drive daily fluctuations in hunger, energy, mood, motivation, and alertness, vary by chronotype, and rely on the light–dark cycle to remain synchronized.
Health
fromwww.theguardian.com
4 months agoIt sounds like witchcraft': can light therapy really give you better skin, cleaner teeth, stronger joints?
Light therapy uses specific wavelengths—especially red and infrared—with some proven benefits from sunlight but mixed and frequency-dependent evidence for many commercial devices.
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