Let’s start, perhaps, with a banal question — why do you need pillows at all? Are they just following the existing centuries of traditions? No, the pillow is not a tradition, but a necessary accessory, since it is with its help ensures the correct position of the cervical spine and head. It helps to relax the cervical spine and supports the parts of the body. The spine in a dream does not receive full -fledged relaxation, does not receive, just like in cases where the pillow is selected incorrectly.
