How many hours should a 37 year old sleep?

How long does depersonalization last? Urinating while sleeping? What are the most effective means of breaking the chain of infection? Does hair grow everywhere on? Name something people who live to be 100 always say the key to life'? If you blow your nose to much will it dehydrate your body? What is the dimension of heath? Is 56 beats per minute a normal resting heart rate for an 18-year-old male? Is there anything similar to abilify? Who said a sharp tongue can cut your own throat? Is trust more important than love? Your period only last 3 days the past two months could you be pregnant? What does this mean The only true wisdom is in knowing you know nothing? Is propolis good for soothing a throat? Why is being naked considered dirty? How do you overcome constipation problem of my six year old girl? Why is selective breeding known as artificial selection? How can i tickle a girl's armpits? What is absorbed in the colon? What carries food and oxygen to the cells?