These sporadic pauses in breath can last for up to 10 seconds and sometimes even longer. When there is an inadequate amount of oxygen reaching the brain, a spike in heart rate and blood pressure can occur. Not being able to have a restful sleep can leave you feeling tired and drowsy during the entire day. However; changing certain lifestyle habits and maintaining a balanced nutritious diet is a simple way to help alleviate sleep apnea symptoms. For more challenging cases, your dentist may recommend being fitted for an oral appliance that resembles a retainer. Sometimes surgery may even be performed to correct the problem. Your dentist will asses your condition and recommend what course of treatment is best for you.