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 grow bed is a square or rectangular box or tray used for growing plants in an aquaponic system. The grow bed is of similar size and shape to the fish tank in which it sits on top of. Grow beds are often made of recycled black plastic, so their edges tend to absorb heat in the summer and preserve moisture in the autumn.