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.
A new study suggests that erratic bursts of sleep may correspond to growth spurts. The studyâs lead author, Michelle Lampl, professor of anthropology at Emory University, and colleagues asked 23 sets of parents to keep daily sleep logs of their newborns (average age 12 days) for four to 17 months.