It is better to have sex at night, because sex clinically also requires physical exertion, so if you have sex at night, soon after the rest state, into the sleep state, to restore physical strength has certain benefits. If you are having sex in the morning, you will have to take a shower afterwards and then go to work, so it is easy to feel fatigue, so it is better to have sex at night. But everyone has their own habits, because of the individual differences, so the choice of time to have sex is not the same, some people are used to having sex in the morning, as long as the energy allows, the body allows the case there is nothing wrong. It is advisable to pay attention to the hygiene of sexual life when having intercourse, and if you are not planning to get pregnant, you must take good contraceptive measures, and it is advisable to use condoms during the whole process of sexual life, so that it is safe and has no side effects.