Different things exist in correct relationship to each other
Find a balance
Make bad use of time
Waste time
Prepare for something in advance
Plan ahead
Create an alarm or a note to remember something
Set a reminder
Finish something in time
Meet a deadline
Postpone
Put (something) off
Treat something as being more important than other things
Prioritize
Write things down to remember them later
Make a list
Decide what you want to achieve over a particular time
Set a goal
Have a short rest period during work or studies
Take a break
Become well-organized, prepared and efficient
Get organized
Establish a fixed time to do things
Develop a routine