Summary
According to Hindu mythology, sleeping facing north can cause the body to give up positive energy.
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Science also suggests that sleeping facing north can affect blood circulation and cause disturbed sleep.
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Additionally, sleeping with the head facing north can attract iron to the brain, leading to headaches
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, and disrupt blood circulation.
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Therefore, it is best to avoid sleeping facing north.
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Summary
When we sleep facing North, the magnetic pull of the direction attracts iron, which gets accumulated in the brain. This is the reason why many people complain of getting a headache when they wake up. Sleeping with your head pointing North can also disrupt your blood circulation and lead to disturbed sleep.
Why you should never sleep with your head facing North
indiatimes.com
Summary
Because its core is filled with iron and spins at great speed, the Earth has a magnetic field that goes from north to south. According to this philosophy, if you sleep facing north, you make the positive pole of the Earth coincide with the positive pole of your body – located theoretically in your head – making both repel each other.
Sleeping facing north: fake myth or proven reality?
ostrichpillow.com