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thefifthseason@venera.social
TheFifthSeason

The participants’ sleep patterns also were disturbed, with a decrease in rapid eye movement (REM) and slow-wave sleep and increased wakefulness. This is likely due to an increase in sympathetic nervous system activity, triggering adrenal activity and a rise in norepinephrine, similar to a fight-or-flight-response.“If a person is having symptoms of difficulty sleeping associated with decreased REM and increased wakefulness, this could be a clue indicating salt depletion in their diet,” Leong says.

Conversely, another study found that consuming a high-sodium meal at dinnertime also contributes to sleep disturbances. Participants experienced delays in getting to sleep, multiple awakenings during the night and an average of two to three hours of disturbed sleep.

Adequate (enough) amount of salt give good REM sleep, but too much salt seem to lower the amount of Slow-Wave sleep, its a balancing act. A blood test is not good at indicating your level of salt (sodium) in the body, a hair mineral test is more accurate and give a long term picture of the mineral status. Sodium deficiency could be the cause for your insomnia and poor sleep. So yeah, even if you get 5g of salt each day (2g of sodium, the recommended amount), that might not be enough. Double that amount and see how your sleep improve, find your sweet spot. A sign of too much salt intake is the development of headache.

#sleep #insomnia #REM #SWS #Salt #Sodium
How salt affects your sleep | UCI Health | Orange County, CA

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waynerad@diasp.org
Wayne Radinsky

"Researchers are finding signs of REM sleep in a broader array of animals than ever before: in spiders, lizards, cuttlefish, zebrafish. The growing tally has some researchers wondering whether dreaming, a state once thought to be limited to human beings, is far more widespread than once thought."

"Marsupial mammals called echidnas show characteristics of REM and non-REM sleep at the same time. Reports on whales and dolphins suggest that they may not experience REM at all. Birds have REM sleep, which comes with twitching bills and wings and a loss of tone in the muscles that hold up their heads."

"Researchers reported a sleep-like state in cuttlefish."

"Researchers have since observed a similar state in octopuses."

"Researchers have also observed a REM-like stage in bearded dragons by recording signals from electrodes in their brains. And they have reported at least two sleep states in zebrafish based on the fishes' brain signatures."

"In pigeons, sleep scientist Gianina Ungurean of the Max Planck Institute for Biological Intelligence in Munich and the University Medicine Göttingen has observed, with colleagues, that pupils constrict during REM as they do during courtship behavior."

"Roundworms appear to have one sleep state only."

A look into the REM dreams of the animal kingdom

#discoveries #biology #sleep #rem #dreaming

A look into the REM dreams of the animal kingdom

Animals' "active" sleep phases look very much like REM.

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ramnath@nerdpol.ch
ramnath

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Animals are Magical
#Baby #owls #sleep on their stomachs because their heads are so heavy. They also sleep like baby humans; a few hours at a time mostly during the day. Baby owls also show high levels of #REM activity during sleep.

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