Tummy-sleepers Certainly are a trickier bunch: Should you sleep together with your head turned into the aspect and resting on the pillow, you would like the least quantity of support. 古くからある「寝具」に、新しいデザインの風を吹き込んでくれています。 The cooling of the head through the pillow during sleep is apparently pertinent to sleep depth (Cote et al. https://gurumpillow.com/