How can members of team maintain efficiency and make their work effective at all times?

Plan the tasks required to achieve the team goal, schedule the tasks rationally, set your KPI's, execute your planned tasks, measure and monitor your KP's, take both preventive and corrective actions when needed. repeat above steps till you team goal achieved.

Discussion with testimony ,rewards & Emily face you can 24 hours routine for them including prayer(SALAT), you can make good relation with all team member, if they think you are their relative.

you can adjust a kpi for all tasks to follow up the effeciency

Easy.  Just do whatever it is you are supposed to be doing.