傍晚。人类的体力发挥或身体的适应能力，均以下午或接近黄昏时分为最佳。此时，人的味觉、视觉、听觉等感觉最敏感，全身协调能力最强，尤其是心律与血压都较平稳，最适宜锻炼。

i think this is right. i tried to do in the morning before. it was so tired.