i'm the same, i find it easier to work at night but when ever i do an allnighter im completely fine the whole next day but in the evening i end up falling asleep around 7ish and wake up around 11ish feeling to tired to work and end up wasting a whole day of working time, i guess if you burn the midnight oil one night then you need to work your socks off and get as much done as you might not have much energy the next day (unless you sleep all day the next day, though i always end up with a spliting headache when i do that so get no work done neway lol i really do make far too many accuses!), speaking of work i better go do some