I can tell you which habit affected my productivity the most. Video games. I used to spend 4-8 hours a day, every day, playing games. Back then, my drug of choice was Civilization 4, and I succumbed hard to the "one... more... turn..." effect, occasionally skipping sleep altogether.
No matter what gamers might claim, there's really no benefit in spending 8 hours a day chasing virtual goals. Cutting back on my gaming sessions resulted in me suddenly having a lot more time for things like sleeping and learning, and has truly made me a better person overall. I only regret not killing the habit sooner.
No matter what gamers might claim, there's really no benefit in spending 8 hours a day chasing virtual goals. Cutting back on my gaming sessions resulted in me suddenly having a lot more time for things like sleeping and learning, and has truly made me a better person overall. I only regret not killing the habit sooner.