Girls’ recent drowsiness is usually caused by the following four reasons: first, insufficient blood supply to the heart, which can lead to different symptoms such as drowsiness, chest tightness, shortness of breath, and weakness when the heart muscle ischemia and insufficient blood supply to the heart. Second, girls recently drowsy, because the brain lack of oxygen, brain cells oxygen supply capacity is insufficient, insufficient oxygenation, will cause a decrease in blood oxygen saturation, carbon dioxide partial pressure is too high, and therefore will lead to weakness, drowsiness and other symptoms. Third, women who are prone to drowsiness recently should also be related to endocrine disorders, such as premature ovarian failure, menstrual disorders, internal environmental instability, which leads to fatigue and drowsiness. Fourth, due to the recent high blood lipid content, or transient hyperlipidemia, such as hypertriglyceridemia mainly.