Stretching, closing your eyes for a while and taking a few deep breaths can make your brain and body get a full rest and enter the online classroom in a better state.

Sleeping after playing ball may be a sign of spleen deficiency. The workload of the spleen suddenly increases, and the spleen system needs more qi and blood to help the spleen digest, absorb and transport nutrients, which will inevitably lead to a decrease in the supply of qi and blood to other organs of the body. When the supply of qi and blood in the brain decreases, symptoms of drowsiness will appear, and those with spleen deficiency will appear after meals.