As a society, getting the right amount of quality sleep at night has become a serious problem.

In fact, according to the Centers for Disease Control and Prevention, insufficient sleep is a public health epidemic.

You might have noticed the damaging effects loss of sleep has on your health, including grogginess, memory loss, irritability, hormone inbalance, increased risk of obesity, and other serious health issues.

You may already know what you should be doing to get better sleep at night: dimming lights, avoiding screen time on your phone and TV, no eating before bed, and sticking to the same sleep schedule (even on weekends).

But, what about exercise? Is physical activity the key to better sleep?

John P. Higgins, MD, shares the physical activities that can help you sleep better at night.