Any biological process which displays an endogenous, entrainable oscillation of approximately 24 hours.
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Do marine deep sea life forms exhibit circadian rhythms? If so, what entrains them?
I've been reading a lot about circadian rhythms, when suddenly this question popped into my head: do circadian rhythms exist for deep sea organisms (3000 ft / 1000 meters+)?
For land mammals, the ...
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0answers
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What non invasive methods of estimating Body Time are there?
I found this article on estimating body time using molecular timetable of 168 genes. researchers looked at gene expressions and plotted them to 24 hour cosines curve with some pretty spectacular ...
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What causes adenosine build up in the brain when awake?
Adenosine is an important hormone in sleep regulation. It is postulated that when a person is awake, there is a build up of adenosine in the brain, which inhibits the neurons in the brain, and ...
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Is there an entry-level circadian model of serotonin, ghrelin, dopamine and the sense of well being?
I've long been interested in circadian rhythms and recently came across a variety of articles that appear to indicate that the following neurotransmitters, transferases and hormones are connected. ...
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91 views
Can the sleep/wake cycle be influenced by non-visible spectrum electro-magnetic radiation?
I've been reading a few papers on Melanopsin and Suprachiasmatic Nucleus (SCN), and see that the sleep/wake transition is ...
