b'Increasedconsumptionofcaffeine,alcohol,cigarettesorsedativesIndecision,inabilitytoconcentrateErraticorsociallyunacceptablebehaviourBeinglouderormoreexuberantthanusualLossofconfidenceDifficultyrememberingthingsLossofsenseofhumourAt workIncreasedmistakes,missingdeadlinesorforgettingtasksTakingontoomuchworkandvolunteeringforeverynewjobSomeonewhoisnormallyontimearrivinglateW orkingtoomanyhours:firstin,lastoutIncreasedsicknessabsenceNegativechangestowaysofcommunicatingorsocialisingwithcolleagues'