• A mental health disorder characterized by feelings of worry, anxiety, or fear that are strong enough to interfere with one's daily activities

• Any of a range of behavioral disorders occurring primarily in children, including such symptoms as poor concentration, hyperactivity, and impulsivity.

• A disorder associated with episodes of mood swings ranging from depressive lows to manic highs.

• A group of conditions associated with the elevation or lowering of a person's mood, such as depression or bipolar disorder.

• Dissociative disorders (DD) are conditions that involve disruptions or breakdowns of memory, awareness, identity, or perception. People with dissociative disorders use dissociation as a defense mechanism, pathologically and involuntarily.

• Any of a range of psychological disorders characterized by abnormal or disturbed eating habits (such as anorexia nervosa).

• Compulsive gambling, also called gambling disorder, is the uncontrollable urge to keep gambling despite the toll it takes on your life. Gambling means that you're willing to risk something you value in the hope of getting something of even greater value.

• The condition of feeling one's emotional and psychological identity as male or female to be opposite to one's biological sex.

• A deeply ingrained pattern of behaviour of a specified kind that deviates markedly from the norms of generally accepted behavior, typically apparent by the time of adolescence, and causing long-term difficulties in personal relationships or in functioning in society.

• Depression suffered by a mother following childbirth, typically arising from the combination of hormonal changes, psychological adjustment to motherhood, and fatigue.

Some common types of sleep disorders include:

• Insomnia, in which you have difficulty falling asleep or staying asleep throughout the night.
• Sleep apnea, in which you experience abnormal patterns in breathing while you are asleep. There are several types of sleep apnea.
• Restless legs syndrome (RLS), a type of sleep movement disorder. Restless legs syndrome, also called Willis-Ekbom disease, causes an uncomfortable sensation and an urge to move the legs while you try to fall asleep.
• Narcolepsy, a condition characterized by extreme sleepiness during the day and falling asleep suddenly during the day.

• Somatic symptom disorder is characterized by an extreme focus on physical symptoms — such as pain or fatigue — that causes major emotional distress and problems functioning. You may or may not have another diagnosed medical condition associated with these symptoms, but your reaction to the symptoms is not normal.