sleep on (?.)

• adjourn
• continue
• defer
• delay
• drag out
• entertain
• extend
• hang fire
• hang up
• hold off
• hold over
• hold up
• inquire into
• lay aside
• lay by
• lay over
• pigeonhole
• postpone
• prolong
• prorogate
• prorogue
• protract
• push aside
• put aside
• put off
• put on ice
• recess
• reserve
• see about
• set aside
• set by
• shelve
• shift off
• sleep upon
• stand over
• stave off
• stay
• stretch out
• suspend
• table
• take a recess
• take under advisement
• take under consideration
• think it over
• waive