Sleep is the balm that soothes and restores after a long day. Sleep is largely driven by the body’s internal clock, which takes cues from external elements such as sunlight and temperature. The body’s natural sleep-and-wake cycle is reasonably attuned to a 24-hour period.| Psychology Today
A person with an addiction uses a substance, or engages in a behavior, for which the rewarding effects provide a compelling incentive to repeat the activity, despite detrimental consequences. Addiction may involve the use of substances such as alcohol, inhalants, opioids, cocaine, and nicotine, or behaviors such as gambling.| Psychology Today
The Diagnostic and Statistical Manual of Mental Disorders (DSM) is a guidebook widely used by mental health professionals—especially those in the United States—in the diagnosis of many mental health conditions. The DSM is published by the American Psychiatric Association and has been revised multiple times since it was first introduced in 1952.| Psychology Today
