Hey , 

I practice best when Im relaxed and foccussed. I usually practice after school or even after dinnner, they are the times I usually have free and when my sister is around to give me tips because she is always honest! I try to practice in blocks of about 20 minutes because I loose consentration easily. I practice mostely in my room but sometimes in the lounge room depending on how I feel, I always have a drink a bottle on my bed side table because i tend to get a dry throguht when singing regulary. My practice tecniques are really simple, I just sing through my song line by line until i feel comfortable with what it sounds like.