thoughts on work and efficiency

Recently I feel the lack of energy, and of productivity both at work and at home. I have been :

• waking up extremely late and unpunctual waking up at 9:30 from time to time...Sleeping late at around 12 to 1 a.m. in the morning. My body becomes noticeably hyper after 12 pm causing a vicious circle of insomnia.
• Lack of self control and the increase in mood swing caused by the bad relationship with Weike. My mood is highly dependent on my interaction with her for the past few weeks since I came back from china. I am back on recovery and will remain so for one or two more weeks.- Not reading much, again, losing concentration.
• a significant decrease of self-esteem compare to the time I have spent in china, where I was treated very nicely as guest. I have decreased my interaction with people lately due to the depressive mood and the arrival of my family to Canada. Social interaction is the key to good mood and self-esteem and may even increase productivity. This is where I have to improve.
• Stopped going to MCCCA lately because its summer, and I no longer enjoys it, or even attempt to contribute to it. There are many new people joining the team and now it feels rather detached from me. Maybe this is a good time to step off? Tomorrow we are having the discussion to decide on next years dance, I will go to contribute positively. Even if I decide to step off I will not ruin my reputation in the group as a senior dancer. Remember, persistence let me touch people.
• I have tried and ""worked" on a social + computer science project with Remi last week but have decided that it will not be very beneficial for me in the future, I have worked on too many application level software now and it occurs to me that I do not need another one that will not contribute to my long term skill sets, my main focus should be spending more time to tackle programming interviews and brush up my algorithm skill. Also I am planning to dive deep in to javascript and nodejs as an alternative language and environment than java. I should also finish where I have left off on machine learning to learn something different before the summer ends if time permits.
• A few weeks ago I have tempted to develop a photo map application using html javascript and nwjs. I have not worked on it since last week since my enthusiasm has wore off. But never the less I shell finish the project as my next week's first priority. The project has been much of a benefit for me, although it was done very poorly, I have learned some benefits and pitfall of the nwjs framework which I will cover sometime else preferably in my new blog.
• I am thinking to restart blogging on a weekly basis, after my failed attempt two years ago. The goal of this action is three fold. Firstly I would like to improve my communication skill, through language as well as through writing. Having a large vocabulary can come in handy in all sorts of situations. Secondly, I would like to push myself to make more visible improvements, since this blog will be dedicated to my thoughts, learning and improvements, I will have to make an effort learning more stuff to write about. Lastly this is also a good place where I can keep track of my life and growth.