How many hours of sleep do you need?

How many hours of sleep do you need? Less than 6 hour sleep significantly increases risk of a stroke even if you are fit and healthy. 

Humans, like all animals need sleep, along with food, water and oxygen to survive. For people is an important indicator for the overall health and well-being. We spend up to one-third of our lives sleeping, and General State of health of our ' sleep ' remains a significant issue in our lives. Most of us know that getting a good sleep is important, but too few of us really this eight or so hours between sheets that make it a priority. For many of us with lack of sleep we forget what "is really, really stop" feel. Further issues, stimulants like coffee and energy drinks, alarm clock and outdoor lighting-including electronic devices-our "Biorhythm" or natural sleep/wake button disrupt the cycle. Sleep needs vary among age and above all the lifestyle and health are affected. How much sleep you can determine, it is very important not only in where you "need to sleep the spectrum falls is", but also to examine the lifestyle factors affect the quality and quantity of sleep such as hours of work and stress to evaluate.