Suggestion: check blood routine, blood sugar, blood lipid, blood pressure measurement, cervical vertebra film, etc. Find out the reason as soon as possible, better treatment, don't be too tired at ordinary times, rest more and eat reasonably.
Have a good rest when you get dizzy and stand unsteadily in the morning. In our daily life, if we don't get enough sleep, this will happen. We should eat more foods rich in vitamins, calcium, iron and other nutrients. After the body is well conditioned, this situation will appear less, so pay attention to your health.