The symptoms of dizziness and lightheadedness the day after staying up late are normal physiological phenomena, mainly related to the patient’s brain fatigue and brain nerve dysfunction. Because the brain is in a state of extreme fatigue after staying up late, the lack of sufficient rest will cause the brain tissue to be in a state of chronic cerebral ischemia and hypoxia, and the patient will show symptoms of dizziness, dizziness and brain nerve dysfunction. Therefore, in this case, timely adjustment must be made, and the symptoms of dizziness can be significantly relieved the next day by supplementing sleep. If the patient’s dizziness is still not effectively relieved after rest, we should consider whether the stimulation of staying up all night has led to spasm of the cerebral blood vessels, and we need to promptly consult the hospital and do transcranial Doppler examination to clarify the cause.