When we don't nourish ourselves with fresh, healthy food, restful sleep, regular exercise, a daily spiritual practice such as meditation or journaling, and other mind-body healing habits, we will inevitably feel tired, out of balance, irritable, and sometimes even depressed.
If you want to avoid Alzheimer's disease, sleep 8 hours a night.
Sleep and meditation are key. Natural sleep for 8 hours will help remove toxins from the body, help consolidate memory, create order from chaos. Sleep activates good hormones that are associated with rejuvenation and slowing down the ageing process.