<span>The number of friends they have does not affect the the peer pressure and the ability to stand up for their own values. </span>
Being sedentary means you don't move around (stay in one place).
People who are sedentary could play video games at their computer all of the time, which means they stay up late.
Staying up late leads to sleep deprivation.
Thus, video gamers could have sleep deprivation.
Butter milk, lemon juice, sour milk etc.