Hey AT,
You raise an excellent point that is so relevant for many of us, including myself. For me, what's most important is that I work hard both physcially and mentally during the day so that by bedtime I feel both tired enough and satisfied that I have achieved something. Nevertheless, whilst one must work hard in order to achieve a feeling of Bsimcha, overwork is also detrimental and even perilous for addicts. Try and build in some time for relaxation and healthy recreation into your daily routine.
It's also of paramount importance for me to guard my eyes during the day, because if I can't fall asleep and I being racked with the fiery flames of lust, it's a situation fraught with danger.
I know that life isn't always so ideal, as you quite rightly say. In these cases, I usually climb out of bed, do some stretches (I know this sounds a bit camp and weird) and listen to my favourite music. Or, if I want to be a better person, I do some proper reading (chizuk, novels etc). If however, I'm explosively horny and on fire and in no mood for anything that requires virtuous effort and concentration, I just play computer games as a last resort. However, I don't advise this unless it's an emergency because exciting games will just stimulate your mind and make it more difficult to go to bed. Also, violent games seem to make me feel very agressive and randy (especially when I can't win).
Though, anything, and I mean almost anything is better than falling back into the addiction.
Good luck buddy,
KUTGW!
DesertLion