A physiological phenomenon called the Bohr effect explains this.

这可以通过波尔效应这种生理现象来解释。

Experts say that spring lethargy is a physiological phenomenon involving seasonal and temperature changes and the body's own regulation. Besides not resting well, spring lethargy could be a warning sign of cardiovascular diseases, such as hypertension, coronary heart disease, or diabetes.

专家表示，春季嗜睡是一种涉及季节和温度变化以及人体自身调节的生理现象。除了休息不好，春季嗜睡可能是心血管疾病的警示信号，例如高血压、冠心病或糖尿病。