1. Before bedtime angry: Angry before going to bed, will make people's heart beat faster, shortness of breath, many thoughts, so that it is difficult to sleep. 2. Bedtime meal: Before going to bed, you have to eat too much, the stomach and intestines must intensify digestion, and the stomach filled with food will continue to stimulate the brain. If the brain has excitement, people will not be able to sleep peacefully. As Chinese doctors say, "If the stomach is not, then you are uneasy." 3. The pillow is too high: From a physiological point of view, pillows should be 8-12 cm. Pillows are too low, it is easy to cause "stiffness," or because of excessive blood flow into the brain, causing the next day the mind is going up, eyelid edema; pillows are too high, will affect the airway, easy snoring, and long-term high pillow, easy to lead to neck Discomfort or hunched back. 4. Sleeping pillow: When sleeping, both hands pillow under the head, in addition to affecting blood circulation, causing numbness in the upper extremities, but also easy to make the intra-abdominal pressure rise, over time will also produce "reflux esophagitis. Ip Camera Pro,Hd Ip Cameras,2.0Mp Hd CCTV Cameras,1080P Hd CCTV Cameras TD Cloud Security Co.Ltd , https://www.cctvcameraexpert.com