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.
1 Teenagers need about 8.5-9.5 hours on average. 2  Most adults need 7 to 9 hours a night for the best amount of sleep, although some people may need as few as 6 hours or as many as 10 hours of sleep each day.  Women in the first 3 months of pregnancy often need several more hours of sleep than usual.