What happened after the night strenuous exercise? 1, after the night strenuous exercise can not sleep, mainly because after strenuous exercise the cerebral cortex is too excited, too excited after the brain is difficult to be in a state of sedation, this time often sleep time will be delayed to the back. 2, generally after 8-9 o’clock in the evening, do not carry out strenuous The main reason is to rest quietly and do deep breathing, which can help improve sleep. If you want to exercise, it’s better to do it between 6-8 p.m. 3, moderate exercise can improve sleep at night, because in the process of exercise, human muscles will produce a substance called adenosine, the higher the content of adenosine, the easier it is to promote deep sleep, but if the exercise is too vigorous, the cerebral cortex cortex will be too excited due to the difficulty of falling asleep.