Every day really, a lot of improvisation, do a few Zakk / Jake style licks with my middle and little finger to keep them strong (well the Jake licks usually take up all fingers, but I try to use the weaker ones primarily).
Try to spend time thinking about the music theory though, its way more interesting, and I am happy with my technique.
GCSE study leave, I did no revision, but woke up and played guitar until I slept, cured a broken heart alright! However I gained very little during that time :?