The following is a sample from my book Daily Inbox Zero: 9 Proven Steps to Eliminate Email Overload. Checking your email can be a productivity trap. If you want to figure out an effective email checking time for yourself, read on and learn how. Be sure to check the book for more email tips.
Habits require specificity.
You can't say, “I will check my email in the morning” and expect to follow through every single day.
Habits are built by consistently doing the same thing at the same time. The best way to empty an inbox every day is to schedule time dedicated to this task.