After watching a horror movie, you can't sleep well at night. If you don't sleep until 3 am, you can refer to the following solutions: Try to watch horror movies at night or in a quiet place. It's easier to fall asleep and won't interfere with your rest during the day. Relax your body and mind: Don't be overly nervous and anxious before going to bed. You can help sleep through meditation, deep breathing, yoga, and other relaxing activities. 3. Build a regular sleep schedule: Maintain the same sleep time and wake up time every day so that the body can adapt to this routine and fall asleep more easily. Limit the time you use electronic devices: avoid using electronic devices for a period of time before going to bed to prevent blue light from interfering with sleep. Increase physical activity: moderate physical activity can promote physical health and improve sleep quality. If the above methods cannot solve the problem, it is recommended to consult a doctor or professional for more specific suggestions and treatment plans.