Level 1: Why can’t pregnant women sleep at night? It is very common for pregnant women to have trouble sleeping at night. The main reason is due to a series of changes in the body, such as fetal growth, changes in hormonal levels, weight gain, etc. These changes can cause discomfort in pregnant women and affect sleep quality. Level 2: How can pregnant women improve their sleep quality at night? Pregnant women can improve sleep quality through some methods, such as maintaining a regular schedule, avoiding lying in bed for long periods of time, maintaining a comfortable posture, and avoiding stimulating drinks. At the same time, you can do some relaxing yoga or deep breathing exercises to relieve physical and mental stress