I spend about 4-5 hours a day. I also participate in bounty and study new information and new projects.
There are lots of things you can manage your time all you got to do budget your time on what are you doing get busy to work and dont forget spend time to your family even in a small of time that you can give.
Yes we need to mange time to have a better future, time is gold and we need to make since of it we need to make a good things to avoid wasting our time. Because time is really gold, so if we wasted it we are just like wasting gold.