65438+ 0: 00 to 4: 00 in the middle of the night is the time when most organs of the human body work slowly or stop, and it is the time when we can have a full rest. When muscles are completely relaxed, blood pressure, cerebral blood supply and pulse will gradually decrease.
From 5 am to 7 am, the body began to wake up. At this time, you will soon be full of energy after getting up. Especially at 7 o'clock, the secretion of adrenocortical hormone enters a climax, and the immune function is strengthened, which is very suitable for exercise.
From 8 am to 12 am, the nerves are most excited, and the memory, heart and enthusiasm are in the best state, so this time is suitable for work, study or travel, and no exercise is allowed.
1 From afternoon to 4 o'clock, especially in spring and summer, people are prone to fatigue and drowsiness. It's best to have a rest at this time and don't do too much exercise after lunch.
At night, around 10, the body temperature begins to drop, drowsiness will slowly come to you, and your body function tends to be low, which is not suitable for strenuous exercise.