Substance use disorder occurs when a person needs alcohol or another substance (drug) to function normally. Abruptly stopping the substance leads to withdrawal symptoms. Addiction means that a person has a strong urge to use the substance and cannot stop, even if they want to.
So it is important to maintain positive nitrogen balance in the body while sleeping. When you do and conditions are right so that your rate of protein synthesis exceeds your rate of degradation, and you maintain a positive nitrogen balance, you can grow while you sleep.
People with other sleeping disorders, such as obstructive sleep apnea, restless legs syndrome, and sleepwalking itself are at a higher risk of developing sleepeating. Sleepeating is more common in women, and usually develops in early adulthood, often in conjunction with dieting, anorexia or stress.