Sleeping too long with a headache and vomiting is usually caused by the following reasons: first, lack of oxygen to brain cells; second, cerebrovascular ischemia; third, insufficient blood supply to the heart. Specific relief methods are as follows: 1, caused by a lack of oxygen to brain cells, you need to immediately stop sleeping to a cool, dry and ventilated outdoor environment, a certain amount of aerobic exercise, preferably sustained aerobic exercise in 30-45 minutes, to the body slightly sweating as appropriate, at this time must breathe fresh air, breathing oxygen to increase the body’s blood oxygen saturation, reduce carbon dioxide retention, will relieve the headache, want to vomit, 2, sleep too long headache, often due to poor sleep posture compression of the carotid artery, and lead to cervical spondylosis attack and insufficient blood supply to the basilar artery, reflexively cause cerebrovascular ischemic attack, this can be along the neck, shoulders, forehead, temporal and bilateral temples slight activity and massage, can play a role in improving the effect of blood supply. 3, such as sleep too long caused by insufficient blood supply to the brain and insufficient blood supply to the heart, can also have headache. This can be done by taking symptomatic drugs, such as ginkgo biloba, a drug to improve blood supply to the brain, and omeprazole, a symptomatic drug to relieve nausea and vomiting, both of which can have a relieving effect.