Questions tagged [circadian-rythym]

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0answers
23 views

Earlier wake-up times in older people

Many studies led to the conclusion that the internal body clock period (circadian rhythm) is actually closer to 25 hours; that is, the clock was thought to drift toward a 25-hour day unless it is set ...
2
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1answer
30 views

Why is it harder to get up when forced to wake up?

I only noticed this for quite a while now but never considered it much of a problem but I noted that when I'm forced awake (i.e. someone wakes me up) I feel significantly drowsier versus when I wake ...
3
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0answers
28 views

How effective are digital blue-light filters for secretion of melatonin & getting to sleep?

Programs like f.lux (Desktop Application) and features like Night Mode (iOS) claim to reduce the blue light being emitted from a digital screen to improve sleep. Is this true, and if so, how effective ...
3
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0answers
66 views

How often can we pull an all-nighter until the body is irreversible damaged?

Many jobs in medicine, science, and economy require unsuitable commitment especially for early-career people. This can often lead to extension of the daily work far into the night. Assume a 30-year-...
2
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0answers
35 views

Why do we sleep more in certain countries than in others?

I moved to Canada 6 months ago and as soon as I got here I noticed that my sleeping habits had changed dramatically. Indeed, I sleep much more than I used to. I've always been insomniac and so I used ...
2
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0answers
59 views

World's decision to switch to LED lighting (to save $) cause more health problems? Migraines? Circadian-Rhythm? Seizures? Light-sensitivity?

I have not switched to LED lighting in my home (though I know that it saves a lot of money in the long run) because I know how it personally impacts me. Not only does it disrupt my circadian-rhythm (...
1
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0answers
18 views

Does maintaining your home's time zone, while travelling, enable you to evade jet lag?

Suppose that: You are leaving Home, travelling to Destination for 1-14 weeks, and then returning Home. Destination time is behind Home time by ≤ 6 hours (contra this). Obviously, this question is ...
10
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1answer
566 views

Human Circadian Rythym, can we live a 36 hour day, or for that matter, a 48 hour day?

By this I mean, is it possible or advisable to change my rhythm so that I wake up on Monday morning, sleep Tuesday afternoon (I'm awake for over 24 hours) and then sleep for over 16 hours till the ...
2
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0answers
104 views

Any advice to sleep 7-8 hours?

I have 24 years, I am in this forum for suggestions, I've never had trouble sleeping, but last year I slept badly because I didn't prepare well for tests and I almost always had to study the last days ...