He or she might start by checking your weight and height, as well as your blood pressure and maybe your temperature. 1  Blood pressure: This shows how hard your heart is pumping blood throughout your body. A cuff that gets tighter and tighter on your arm is used to measure this.
And people who sleep 8 hr. or more, or less than 6.5 hr., they don't live quite as long. There is just as much risk associated with sleeping too long as with sleeping too short. The big surprise is that long sleep seems to start at 8 hr. Sleeping 8.5 hr. might really be a little worse than sleeping 5 hr.
While most adults need between 7 and 8 hours of sleep, some need as few as 6 and some as many as 9 hours of sleep each night. The general rule is that the amount of sleep a person needs is the amount that allows him/her to feel fully refreshed and alert all day long.