Lunch break dreaming is a physiological phenomenon, pay attention to the exclusion of calcium deficiency or lack of vitamin B. Lunch break because of the short time, the body will first enter the light sleep period after sleep, and then enter the deep sleep period. Some of the brain cells in the shallow sleep period are still in an active state, prone to dreaming, frequent dreaming during the lunch break, consider the secondary changes caused by calcium deficiency, calcium deficiency increases neural excitability, will increase the difficulty of the body into deep sleep, inducing dreaming, sleep disorders, you can do a trace element test to see if there is calcium deficiency, hypocalcemia can try calcium gluconate and other drug therapy. Vitamin B deficiency will also affect the normal function of nerve cells, inducing excessive dreaming, you can try vitamin B complex treatment, usually eat more grains and cereals.