Even worse, there is also a "Golden Hour" in emergency medicine [0]. It is the first hour after a traumatic injury in which treatment is much more effective ay saving your life. It's extremely important to get a person to treatment in that golden hour to save their life, not to get them to go to sleep. Misnamed, indeed, doubly so!
"Open your curtains as soon as you wake up" - I've recently moved to a place where my bedroom window has no curtains and my sleep quality has improved drastically. Lots of other variables, but intuitively it makes sense to me that morning light would help stop the sleep cycle slipping later, thus keeping me reliably ready for sleep at the end of the day.
Or far southern hemispheric; I stayed at my uncles last night on a makeshift bed in the living room,
He has a network of connected goldfish tanks (connected by water filled plastic tubes the fish can migrate through)
He has the whole thing on a seasonally adaptive sunrise / sunset lighting system. Mirroring that chesapeake bay ecosystem simulation in which the crabs migrated with the season, the fish move north and south following subtle temperature gradients during the year.
This morning I woke up to an amazing underwater sunrise filtered through undulating seaweed
As I opened my eyes to the cold winter morning (my uncle has no heater) in my sleeping bag and red wool beanie, I felt as if finally I had joined team zissou
Skimming the study I'm not really convinced that the concept of a "golden hour" actually exists. For one it's a cohort study and not a RCT, so reverse causation (ie. people with good sleep sleep at 10-11) can't be ruled out. My guess is that sleeping later than 10-11 is associated with not getting enough sleep (going to bed late = less sleep), whereas sleeping earlier than 10-11 is associated with waking early (eg. waking at 4am so you can work at the bakery at 5am) which is also bad for sleep.
I felt the study was flawed the instant I saw they tied the golden hour to a time. So if I drive a mile to cross the river into the next time zone, I can stay up an extra hour?
This study should have been tied to a concept of sleep rhythm or how long you stay up after you wake each morning. But tying it to such a poor concept of our time(which is tied to time zones which abruptly start/end at specific locations) doesn't give me much faith in the study.
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[ 3.3 ms ] story [ 50.8 ms ] threadPopups kicked in before I could read more, but this is a different, unrelated, misnamed 'golden hour'.
Even worse, there is also a "Golden Hour" in emergency medicine [0]. It is the first hour after a traumatic injury in which treatment is much more effective ay saving your life. It's extremely important to get a person to treatment in that golden hour to save their life, not to get them to go to sleep. Misnamed, indeed, doubly so!
[0] https://en.m.wikipedia.org/wiki/Golden_hour_(medicine)
And if you want a deep dive, the original article (including a LOT of details about the research) is here https://academic.oup.com/ehjdh/article/2/4/658/6423198
There's just the GMT | Zulu time in this cohort.