title: During partial wake up, handler.postdelayed() is sleep after few hours android
body: <p>I do some data fetch work once in 10 seconds . Service to run background indefinitely and used asyntask to get data from server (JSON). The problem after few hours ,like 8 hrs handler goes to sleep .I again awaked the screen.The screen awaked up.but Thread is in sleep. So , I stop the service and again called service started but handler didn't run. I restarted the application , handler is working  </p>