How does "Deep Palace Song" increase the probability of sleeping?

System: iOS 14.2

1, enter the game, first go to the Fengtian Temple to pray for good health (more times, this is to increase the probability of pregnancy).

2, and then continue to pray for the success of the country (which increases the probability of sleeping).

3. You can choose the event on the right three times when you sleep. According to the emperor's personality, the higher the interest, the easier it is to get the emperor's favor.

Finally, the higher the emperor's favor, the easier it is to gain prestige, so as to be promoted quickly.