From 6 to 7 a.m. is the "window" when long–term memory works best, all the information received during this period is easily absorbed.

From 8 to 9, logical thinking is activated, this is the most appropriate time for any activity related - simultaneously - to memorization and analysis.

From 9 a.m. to 10 a.m. is the optimal time to work with information and statistics.

From 11 to 12 days, the effectiveness of intellectual functions decreases, so you can switch your attention to something abstract. For example, listen to music.

From 11 to 14.00 is the most suitable time for lunch. During these hours, there is a peak, as they say in the East, of the "fire of digestion", when the food taken is digested and absorbed in the best possible way.

From 12.00 to 18.00 is the ideal time for active work. Working later hours forces the brain to work hard. The first signs of such an overstrain are difficulties falling asleep.

From 21.00 to 23.00, the most complete rest of the mind and nervous system takes place.

From 23.00 to 1 a.m., in a dream, there is an active restoration of subtle energy. In Chinese medicine, it is called "qi", Indian yogis call it "prana", modern science calls it nervous and muscular strength.

From 1 to 3 o'clock, in a dream, a person restores emotional energy.