Having trouble sleeping at night may be related to neurasthenia, which is usually associated with frequent ruminations, physical discomfort, suspicion of serious diseases, etc., resulting in difficulty falling asleep or waking up easily during sleep, and excessive dreaming. Having trouble sleeping at night may also be related to anxiety, depression, emotional instability, frequent anger, excitement or overexcitement. Sleeping in an environment that is not quiet, excessively noisy, or too hot, may also affect the quality of sleep. Heart disease, often with symptoms of panic and chest tightness. Stomach diseases, often with symptoms of stomach distension, acid reflux and pain, or patients with cerebrovascular diseases, headaches and dizziness, etc., can also affect the quality of sleep and lead to poor sleep, and should be treated for the cause.