有性生活经验的人多有这样的体会:性生活后会有不同程度的疲劳感,如眼睛疲劳、眼眶胀痛、视力模糊、眼球转动不灵活等。因为性生活使脑细胞出现一时性的疲劳。由头部发现的12对脑神经,有5对位于眼睛上,分别主管视力及眼球、眼肌的运动。而眼睛的疲劳又可影响神经系统的正常“工作”,造成头昏脑胀等许多不适。 There are many people who have experience of sexual life such experience: there will be different degrees of fatigue after sex life, such as eye fatigue, orbital pain, blurred vision, eye rotation is not flexible and so on. Because sexual life makes the brain cells appear temporarily tired. Twelve pairs of cranial nerves discovered by the head have 5 pairs on the eyes, which are responsible for eye movement, eye movement and eye movement respectively. Eye fatigue, in turn, can affect the normal “work” of the nervous system, causing many discomforts such as dizziness.