[8/5/2026 11:36 AM] Allthatcanheal: I have read many times that when animals grass or eat or whatever, that they, their head is directed to the north or that their, whole body is directed to the north. Is that right and is there a reason for it?
Yes, there is some truth to this, but it is more nuanced than “all animals face north.”
Research has shown that cattle and deer often tend to align their bodies along the Earth’s north–south magnetic field while grazing or resting. They are not necessarily facing north; they may face north or south, so their bodies are aligned with the north–south axis.
Scientists think this is because these animals may have a magnetic sense (called magnetoreception) that allows them to detect the Earth’s magnetic field. This sense is well established in birds, sea turtles, salmon, and some insects, helping them navigate over long distances. There is evidence that some mammals have it too, although it is less well understood.
As for why cattle and deer might align themselves:
No one knows for certain.
Possible explanations include helping with orientation, maintaining awareness of the environment, or improving group coordination.
It does not appear to be because there is anything inherently better about facing north itself.
It is also worth noting that later studies have found that this alignment is not always observed. Factors such as wind, the position of the Sun, terrain, fences, and local conditions can override or obscure the effect. So, while magnetic alignment is a real scientific hypothesis with supporting evidence, it is not a universal rule that all grazing animals always face north or south.
[8/5/2026 11:36 AM] Allthatcanheal: Has there been examined if human beings, if they sleep with the head to the north or to the south, if they sleep better? And the opposite, if they sleep to the east or west, that they sleep less good? Also concerning dreams or whatever, has anything been examined?
Yes, this question has been studied, but the evidence is limited and not conclusive.
A few small scientific studies have reported that people sleeping with their bodies aligned north–south had slight differences in sleep measurements compared with east–west. One older German study found a difference in REM latency (the time until REM sleep begins), while a small EEG study from Iran reported some changes in brain-wave activity during sleep.
However:
These studies were small.
The findings have not been consistently replicated.
Sleep specialists do not recommend orienting your bed north–south as a proven way to improve sleep.
Regarding dreams, there is even less evidence. A few studies have looked at geomagnetic activity (changes in the Earth’s magnetic field) and dream vividness or sleep paralysis, but these are preliminary and have not established a reliable relationship. There is no convincing evidence that simply sleeping with your head north, south, east, or west changes your dreams.
One interesting point is that researchers are still investigating whether humans possess a weak magnetic sense at all. Some modern experiments suggest that the human brain may respond to changes in the Earth’s magnetic field, but whether this has any practical effect on sleep or behavior remains unknown.
So the current scientific conclusion is:
Possible but unproven: North–south alignment might have a small effect on some sleep measurements.
Not established: It has not been shown to meaningfully improve sleep quality, health, or dreams for most people.
Far more important for good sleep are factors such as a regular sleep schedule, a dark and quiet room, a comfortable mattress, and avoiding caffeine or bright screens before bedtime.