Free time at our office

It was so late when I got home from office today and I was a little tired. Our group worked on a very urgent case until late night and I learnt a lot. I like this working style because I definitely could feel I am making progress.

I'm the first one coming to our office every day.  And I have 90 minutes before we set about to work. In order to avoid my colleague's disturbing, I'll find one quiet place to learn. And it's the most efficient period for me. And I really enjoy such a free time before work. And recently, I find such a 30-minute free time at noon to learn or have a rest.