Dr. William N Donovan MD

What is somnolence?Somnolence is the medical term used when a person is close to falling asleep or is in a state of sleepiness. In such case, the person is not able to resist the urge of sleeping or dozing off. A person taking many psychiatric medications for bipolar disorder or any other mental...

A lot of scientists focus on conducting research about the benefits of healthy sleeping, as well as the effects of having not enough sleep. Sleep is considered as a mysterious part of the human lives since there is no known scientific explanation why people sleep. However, despite this fact, sleep...

“People often come to doctors because of chronic tiredness. It is one of the most common complaints that bring them to the doctor”, says J. Fred Ralston Jr., MD, an internist practicing in western Tennessee and past president of the American College of Physicians. Ralston adds that there are...

Chronic fatigue syndrome (CFS) refers to the persistent, extreme tiredness that is not caused by any underlying medical conditions, and affects the normal day-to-day activities. The fatigue in this case may continue for more than six months and may be accompanied by other symptoms, like joint pain....

Considered to be a serious sleep disorder, sleep apnea is affecting a great number of people. In a recent study conducted in the United States, it shows that almost 22 million Americans suffer from the sleep disorder.The expertise of dentists is not only limited to diagnosing, treating, and...

This is a sleep disorder which remains undiagnosed in most cases. In this disorder, a person’s breathing stops or gets interrupted during sleep, affecting the oxygen distribution to different organs. People affected by sleep apnea often stop sleeping briefly during the night.Two types of sleep...