Q8. As the prevention of cold intolerance, wearing socks when you sleep is good.
(A) True (B) False
A8. (B) False
As verification, a person slept for 5 hours wearing socks. When the person woke up, the feet were still cold. (Fig. 5)
So why isn’t it good to wear sock when you sleep?
Because socks tighten capillaries in the feet so blood circulation gets worse. Also the bottom of feet sweat to control the body temperature. If you wear socks when you sleep, moisture fills inside socks and there is a risk that cold intolerance gets worse.
Instead of socks, leg warmer is recommended. Since leg warmer can warm calves which are called the second heart, pumping action of calves is helped. As verification, a person slept wearing leg warmers. When she woke up, her body temperature went up and her blood circulation got better. (Fig. 6)
Q9. Which is the best item for cold protection to warm your body?
(A) Ear warmer (B) Scarf (C) Gloves (D) Tights (E) Abdomen warmer (Haramaki)
A9. (E) Abdomen warmer (Haramaki)
In abdomen, there is abdominal aorta which is a thick blood vessel so warming abdomen leads to warming all the body.
As a verification, a person wore an abdomen warmer. 30 minutes later the person’s hands and feet warmed up. (Fig. 7)
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