ize ▁– ▁Things ▁you ▁have ▁to ▁accomplish ▁regularly ▁to ▁be ▁successful ▁( family ▁and ▁fin ances ). ▁ ▁Stream line ▁– ▁Things ▁you ▁may ▁not ▁like ▁to ▁do , ▁but ▁must ▁do ▁( work ▁and ▁ch ores ). ▁ ▁Econom ize ▁– ▁Things ▁you ▁should ▁do ▁or ▁may ▁even ▁like ▁to ▁do , ▁but ▁they ' re ▁not ▁press ingly ▁ur gent ▁( p ast imes ▁and ▁social izing ). ▁ ▁Cont ribute ▁– ▁By ▁pay ing ▁attention ▁to ▁the ▁few ▁remaining ▁things ▁that ▁make ▁a ▁difference ▁( social ▁oblig ations ). ▁ ▁El im ination ▁of ▁non - p rior ities ▁ ▁Time ▁management ▁also ▁covers ▁how ▁to ▁eliminate ▁tasks ▁that ▁do ▁not ▁provide ▁value ▁to ▁the ▁individual ▁or ▁organization . ▁ ▁According ▁to ▁Sand berg , ▁task ▁lists ▁" aren ' t ▁the ▁key ▁to ▁product ivity ▁[ that ] ▁they ' re ▁crack ed ▁up ▁to ▁be ". ▁He ▁reports ▁an ▁estimated ▁" 3 0 % ▁of ▁l ister s ▁spend ▁more ▁time ▁man aging ▁their ▁lists ▁than ▁[ they ▁do ] ▁comple ting ▁what ' s ▁on ▁them ". ▁ ▁Hend rick son ▁as ser ts ▁that ▁rig id ▁ad her ence ▁to ▁task ▁lists ▁can ▁create ▁a ▁" ty ran ny ▁of ▁the ▁to - do ▁list " ▁that ▁forces ▁one ▁to ▁" w aste ▁time ▁on ▁un important ▁activities ". ▁ ▁Any ▁form ▁of ▁stress ▁is ▁considered ▁to ▁be ▁deb il itative ▁for ▁learning ▁and ▁life , ▁even ▁if ▁adapt ability ▁could ▁be ▁acquired ▁its ▁effects ▁are