Sadness can be a difficult emotion to deal with, not only due to the pain it causes, but also because of the factors that caused the sadness in the first place. Sadness can be the result of loss, helplessness, or disappointment, among many other things.
Making some small changes in your life, such as resolving a difficult situation, talking about your problems or getting more sleep, can usually improve your mood. A low mood that doesn’t go away can be a sign of depression