2. Physical condition. Generally speaking, physical condition and sleep are mutually reinforcing. For example, a comfortable body can promote sleep, and at the same time, due to the occurrence of sleep, the body can get enough rest and eliminate fatigue, which is manifested as high-quality sleep. Moderate physical exercise can promote deep sleep and quickly relieve fatigue, but strenuous activity should be avoided before going to bed, because it may lead to excessive excitement of the brain and is not conducive to shortening sleep time.
3. interpersonal relationships. Interpersonal relationship and physical health are negatively correlated with the total score of college students' sleep quality.
4. Mental health. Extroverts have better sleep quality than introverts, and people with high psychological well-being and mental health are better than those with low psychological excitement and poor mental health.
5. Gender impact. Because of their unique physiological characteristics and their own hormone levels, women are naturally delicate and sensitive to things, and their stress response to external factors is stronger than that of men. Some people think that men are more likely to be influenced by nightlife such as online games and parties in college life, leading to sleep disorders characterized by short sleep time.