Eating chocolate will not lead to sleeplessness. If the patient drinks functional drinks or strong tea or strong coffee substances at night before going to bed, it will lead to sleeplessness because these substances can excite the cerebral cortex, so it is easy to lead to sleeplessness, chocolate does not have the effect of excitement of the cerebral cortex. Insomnia can be caused in many cases, there are many reasons diet, excitatory drinks is one aspect, there is also the patient’s lifestyle, psychological aspects of the state or mental stress, etc., can lead to the patient can not sleep, but also the impact of some diseases can also cause. Patients who eat too much before bedtime leading to stomach distension or too much hunger before bedtime can also easily lead to sleeplessness. The problem of insomnia is very common in clinical practice, and many reasons can affect sleep.