Do We Need 8 Hours of Sleep Daily?

Just writing about sleep is making me sleepy! Something I believe I am excessively deprived of. Quality sleep today has become a luxury most of us can’t afford. People in my friends and family circle regularly come back from work at around 8:30 pm. And after quality time with their families go to sleep around 1:00 am. In Karachi at least, the general public goes to sleep at around 1:00