Treatment and prevention of illnesses, injuries, or diseases to improve wellness.
Healthcare
Beliefs, values, customs, and arts of a group of people.
Culture
People who can function well on less sleep than other people.
Short sleepers
Condition that results from a delay in the sleep-wake cycle that affects a person’s daily activities.
Delayed sleep phase syndrome (DSPS)
Mental or emotional condition so severe that it interferes with daily functioning; also known as mental disorder.
Mental Illness
Aspect of health that has to do with a person’s thoughts and feelings.
Mental and Emotional Health
Aspects of people’s lives that increase the chances that they will develop a disease or disorder.
Risk factors
Pattern of sleeping in a 24-hour period.
Sleep-wake cycle
Trouble falling or staying asleep.
Insomnia
Condition identified by ignoring social rules and engaging in impulsive behavior.
Aspect of health that involves interacting and getting along with others in positive, healthy ways.
Social health
Places where a person spends his or her time, such as school, home, or workplace; the region in which a person lives; the air a person breathes; and the water a person drinks.
Physical environment
Active stage of sleep during which your breathing changes, your heart rate and blood pressure rise, and your eyes dart around rapidly.
REM sleep
Potentially serious disorder in which a person stops breathing for short periods of time during sleep.
Sleep apnea
Condition in which a person has difficulty paying attention and controlling behavior.
Attention deficit hyperactivity disorder (ADHD)
Balance of all aspects of health—physical, mental and emotional, and social.
Wellness
Segments of DNA that determine the structure and function of a person’s cells and affect his or her development, personality, and health.
Genes
Naturally occurring physical, behavioral, and mental changes in the body that typically follow the 24-hour cycle of the sun.
Circadian rhythms
Term for sleep disorders that occur when people are partially, but not completely, awoken from sleep.
Parasomnia
Condition identified by unstable identity and interpersonal relationships.
Borderline personality disorder (BPD).
Going to the doctor when you are well to help you stay healthy; involves getting an annual physical exam, regular checkups, and screenings for conditions like hearing or vision loss.
Preventative healthcare
Circumstances, objects, or conditions that surround a person in everyday life.
Environment
Term used to describe a person who gets inadequate amounts of sleep.
Sleep deprived
Disorder that affects the brain’s ability to control the sleep-wake cycle.
Narcolepsy
Condition identified by irregular thoughts and delusions, hearing voices, and seeing things that are not there.
Schizophrenia