One should be aware of the fact that sleep disorders are quite complex and can only be identified after conducting a detailed analysis by specialist. However, you need to see an expert specialized in sleep disorders if there are issues with your sleeping. 

Yes, migraines can occur on and off throughout the day. Migraine attacks are characterized by severe headaches often accompanied by other symptoms like nausea, sensitivity to light, or aura. The duration and frequency of migraines vary among individuals, and some may experience multiple episodes in a day. If you're experiencing frequent or severe migraines, it's advisable to consult a healthcare professional for proper evaluation and management.

Hemifacial spasm is a disease characterized by involuntary twitching of muscles on one side’s face. This may be due to nerve injury or irritation. you should vsist a neurologist to know options of diagnosis and treatment.

If you are not getting your periods on time then do consult the gynecologist. This may be due to different reasons such as stress, hormonal imbalance or underlying medical conditions. 

you should see a gynaecologist right away. The presence of a yellowish discharge could bear witness to an infection or inflammation in the reproductive system.

There are various factors which can lead to irregular periods such as stress, weighing loss or changes and also hormonal imbalances. For irregular periods, it is necessary to visit a gynecologist for further diagnosis of the problem. 

Several birth control methods work well, but it is recommended to visit a gynecologist in order for you to find out which method suits your needs. However, using medication for birth control is not recommended.

Acid reflux disease may have chest acid reflux as a common symptom. It happens if the stomach acid backtracks through esophagus leading to chest pain, burning sensation and difficulty swallowing. The best treatment for acid reflux disease is visiting a gastroenterologist.

there is no universal best medicine for missed periods. There are several possible factors that may cause missed periods, such as pregnancy; stress or anxiety ; weight loss and some types of diseases. People that have experiences missed periods should seek a visit to their gynecologist.

One of the effects that can occur from ceasing to use birth control pills is a change in your menstrual cycle. Dark color of blood flow occurring during periods may be associated with old non-excreted blood. Stomach pain and nausea may not be connected to the menstrual cycle. Such symptoms should be referred to the gynecologist for evaluation and management.

you should seek the opinion of a cardiologist on any such issues concerning your cholesterol levels. If you have an overall good health and medical history, the doctor might prescribe medication for your levels to decrease. 

You should consult an orthopedist. Various factors such as injury, overuse, or underlying medical conditions can lead to knee pain. An orthopedic doctor will assess your condition and prescribe an appropriate course of treatment. If the treatment is delayed, this may lead to worsening of condition.

I recommend that you see an urologist promptly for appropriate assessment and diagnosis of the true nature of your condition. Do not use any home treatment since it may worsen the hematoma. 

It seems that you have a disease known as Right Bundle Branch Block (RBBB) and Sinus Rhythm with Intraventricular Conduction Delay (IVCD). It may be due to heart disease or certain drugs. Patients should be referred to a cardiologist for additional testing and management.

In order to ascertain the state of pregnancy,you can have a home test or visit a gynecologist. A gynecologist will do a physical exam and might prescribe blood test or ultrasound for confirmation.