床太软:减弱性力量。睡软床肌肉不能获得充分放松,久而久之,会影响性爱时肌肉的力量。性爱中,腰背部的肌肉力量很重要,尤其对男性来说,要靠腰、腿部力量帮助控制性爱力度。支招:床垫软硬要适度,一般以躺在床上能让身体各部位感觉妥帖,腰部能得到良好支撑为宜。此外,没有噪音、床较大、床品整洁等因素,也有助于提升性生活质量。枕头高:影响勃起度。有调查发现,枕头太高,会影响性功能。首先,长期枕头过高,容易导致脑部血液循环不畅,使脑垂体分泌 The bed is too soft: weakened sexual force. Sleep soft bed muscles can not be fully relaxed, over time, it will affect the power of muscle when sex. Sex, low back muscles are important, especially for men, to rely on the waist, leg strength to help control sexual violence. Weaponry: soft and hard mattress should be moderate, usually in bed to make all parts of the body feel properly, the waist can be well supported is appropriate. In addition, no noise, large beds, neat bedding and other factors, but also help to improve the quality of life. Pillow height: affect the degree of erection. A survey found that the pillow is too high, can affect sexual function. First of all, long-term pillow is too high, easily lead to poor blood circulation in the brain, so that pituitary secretion