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Many people are using a close pillow, which is a rectangular flat pillow. Although this pillow has a long history and looks practical and generous, it does not meet the physiological requirements of the human body. Long-term use will destroy the physiological curvature of the human cervical spine, resulting in The neck muscles and ligaments are in a state of stress for a long time, so that the neck is not fully rested and strained.
Usually there is such a feeling: When I wake up, I suddenly find that my neck is stiff and can't move. The whole body is sore and sore, is it not a sleepy night? How can I sleep more and more tired? If you have had similar experience, then you need to carefully check to see if your pillow fits the physiological curvature of the human neck.
The problem on the pillow: The cervical vertebra is located at the uppermost end of the human spine, wrapped in the neck, composed of 7 vertebrae. The so-called physiological curvature is a smooth, forward-facing arc formed by the seven vertebrae. The role of the pillow is to maintain this normal physiological curve.
How to maintain a normal physiological curvature, it is necessary to see if you are really clear in the choice of the height and hardness of the pillow.
The height of the pillow: This is also different from person to person. Although there is a saying of "sit back and relax" in the old saying, it is not the higher the pillow, the better. Because the pillow is too high, no matter what position you sleep, it will affect your sleep. You can't maintain the normal lordosis of the cervical spine. Instead, it will go backwards, which will increase the burden on the cervical spine and may also cause a stiff neck.
Similarly, the pillow is too low, because the pillow is too low, the head will be congested, it will easily cause eyelids and facial swelling, and the lower jaw will lift upwards, it is easy to breathe and snoring. In general, our sleep posture is divided into three types: supine, side, and prone.
Pillows are best chosen to maintain the normal physiological curvature of the neck, whether you are sleeping or sleeping sideways. Adults should have a height of 15 to 20 cm when lying on their back and a height of about 20 to 15 cm when sleeping on the side.
The hardness of the pillow: this is also appropriate. Because of the hard pillow, the contact area with the head is reduced, the pressure is increased, and the scalp will feel uncomfortable; in turn, the pillow is too soft and difficult to maintain a certain height, which will lead to excessive fatigue of the neck muscle and affect the smoothness of breathing, which is not conducive to sleep. .
Only a little softer, without losing a certain hardness, can reduce the pressure between the pillow and the scalp, and maintain uneven pressure, so that blood circulation can pass from less pressure and maintain a certain height.
Pillow width: Under normal circumstances, it is better to be wider than the shoulder. Don't sleep too small a pillow, because when you turn over, the pillow can't support the neck, and the small pillow will affect the sense of safety during sleep.
Pants that fit to flatter for any occasion.
The durable foundation of our workwear line, these heavy-duty, double-knee work pants are made from our innovative 12.9-oz Iron Forge Hempâ„¢ canvas that`s 25% more abrasion resistant than conventional cotton duck canvas and needs no break-in.
Short Pant,Cotton Long Pants,Spandex Long Pants,Jeans Long Pants
Shijiazhuang Damei Co., Ltd. , https://www.dameijacket.com