Getting a good night’s sleep is crucial to your overall health.

As a general rule of thumb, people in good health do tend to sleep well, and regular sleeping problems can indicate underlying health problems, either physical or mental.

Noted sleep expert Dr. Clelia Lima explains how common sleep disorders are for the average person.

In general, how much sleep do we need and what can happen to us if we don’t get it? Dr. Lima explains, including what happens if you get too much sleep.

And getting a good night’s sleep is linked to more than just your energy the next day — research indicates it can even lead to heart disease. Find out how getting your sleeping habits in control can lead to big changes in your heart.

Plus, are your sleeping habits sabotaging your waistline? Dr. Lima explains the correlation between the amount of sleep you get and how much you weigh.