Dr. William S Lowery M.D.

Sleep apnea is a common sleep disorder in the United States, although many people don't realize that it can be very dangerous. It is often called a minor sleep disturbance, without realizing the fact that it is associated with many life-threatening conditions.Sleep apnea can increase blood pressure,...

Among older males, less sleep is associated with low levels of testosterone, according to a recent study. Normally, the levels of the male hormone decreases with age, and in some men, this may result in a lack of energy or libido. Researchers noted that some men manage to maintain normal levels of...

Many women complain of insomnia a few days before getting their periods. “The actual reason behind this feeling is changing levels of the hormones estrogen and progesterone”, says Michael Breus, PhD, ABSM, a sleep expert. “These changes in hormones can affect an individual's ability to fall...

Insomnia is also known as sleeplessness. It is a sleep disorder where people have trouble sleeping. Insomnia is caused by several factors. People with insomnia have abnormal sleeping patterns as well as daytime sleepiness, irritability, and a depressed mood. They may also have an increased...

For people who are diagnosed with sleep apnea, sleeping is never a relaxing time. In fact, individuals with this disease commonly wake up in a wave of panic and are overtaken by a feeling of dread. One of the most common effects of sleep apnea is experiencing fatigue throughout the day. How do...

If you are still feeling drowsy after a full nights sleep, you may have a sleeping disorder. The amount of sleep one requires may differ depending on the individual. Most adults require up to nine hours of sleep a day. Some may require as less as five hours, while there are some who will feel fresh...