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.
The Right Mix of Sleep. Sleep research shows that adults of. every age need, on average, a range. of seven to nine hours of sleep each. night, teenagers need about 9.5. hours, and infants generally require. around 16 hours per day.16 But just. as important as the quantity of sleep. is getting the right mix of REM and.