Sleep is health for the mind and body, please try and get at least 4 to 6 hours of sleep. Aarp has a great article about Sleep Apnea and Alzheimer can go hand and hand. Do not always think it’s a Senior citizen problem it’s a health risk problem for all of us.
Make sure you eat properly and drink a lot fluids also make it your business to see a doctor on a regular basis.
Take a multivitamin so you know your body has all the nutrients it needs.