In childhood (23- 1), gallbladder meridian is flourishing, which determines the timing of hair growth, and childhood diet hurts gallbladder. Sleeping in childhood is good for bile metabolism.

Clown time (1-3 minutes): the liver meridian is flourishing, and the liver governs storing blood. Human actions are supported by liver and blood, and circulation and metabolism are usually completed in clown time. "When people lie down, blood returns to the liver." Sleeping in clown time is beneficial to nourishing the liver.

In Yin Shi (3-5 o'clock), the lungs transmit hidden blood to the whole body through the liver. Yin Shi's first appearance is a transformation process from static to dynamic, so he should sleep deeply.

Shi Mao (5-7 o'clock) is full of large intestine meridian. Dawn means that Tianmen is open and human body is detoxified at 5 o'clock, which means that local residents, namely anus, are open and should be excreted.

In the morning (7-9 o'clock), the stomach meridian is vigorous, which is the best time for digestion. Spleen meridian and stomach meridian are moving, so eat more and eat well in the morning, and you won't get fat.

At 4 o'clock (9- 1 1), the spleen meridian is developed, and the digestion and absorption of the spleen and the blood quality are good, which is beneficial to the absorption of nourishing blood. "Spleen governs transport and transformation, spleen governs blood", and breakfast has been transported since the age of four.

At noon (1 1- 13 o'clock), the heart meridian is flourishing, and the whole body blood circulation is used to help digestion. At noon, it is cloudy, and the heart qi circulates blood, benefiting qi and nourishing tendons.

At the end of the day (13- 15), the small intestine is vigorous and the lunch is ok, which helps to absorb nutrition. At this time, the small intestine regulates the nutrition of the day, sends the liquid back to the bladder, sends the garbage to the large intestine and sends the nutrition to the spleen.

At kidney stage (15- 17), the bladder meridian is developed, which is beneficial to discharge the water and fluid injected into the small intestine and the "internal heat" of the whole body.

In Youshi (17- 19), the kidney meridian is developed, and the kidney governs the storage of essence. The human body purges fire and detoxifies after the kidney, and the kidney enters the storage nutrition stage in Youshi.

When the pericardial meridian is vigorous (19-2 1 point), it can get rid of external evils around the heart, which is beneficial to sleep.

At Shihai (2 1-23), the triple energizer meridians are developed, and the triple energizer connects the veins, so people need to sleep and rest their veins.