An expert who sleeps less than 6 hours every day and has no problem with people close to zero

(1)There are people like this around them sleep
(2)Sleep a day
(3)I slept for 5 hours
(4)People who feel refreshed even when they wake up
(5)Is this a puppy
(6)of the total population, less than six hours a day
(7)Just by sleeping
(8)I can live without any impairment
(9)The number of people who are there
(10)round to an integer
(11)The percentage of the population
(12)A value of zero comes out