Feel free to have your journal as disjointed as you want. 
Leo Babatua of ZenHabits says he only writes his journal in bullet points; just three to six per day. By making it this easy, he says it’s much more attainable for him to keep it up.

Don’t Use Full Sentences

Instead of getting a notebook to journal in, get a (large) desk calendar or date book, and then just challenge yourself to write a sentence or two every day, on that day.
This small amount of writing a day feels attainable. By writing it on a calendar, it’s very obvious when you’ve missed a day.

Journaling on a Calendar

Try grabbing your notebook as soon as your alarm goes off and writing for a few minutes before your feet even hit the ground. 
This way you know it will get done, and the activity first thing in the morning may help wake your brain up.

Journaling Before You Get Out of Bed

Find a bunch of interesting prompts that you’re excited to write about, and then spend each day journaling on a different one.
Search for “journaling prompts” and start collecting your favorites. Compile them all in a Word document or on the first page of your journal and work your way down the list.

Find Fun Prompts for Your Journal

While many people recommend journaling in a physical notebook to give your brain a break from screens, if you’re having a hard time keeping up that practice, you can try using an app that you can whip out when you have an extra moment in the day.

Use a Journaling App

Sometimes the hardest part of journaling is staring at a blank page and not knowing what to write about.
Create a template that you follow every day. Maybe that’s writing three things you’re grateful for every day, or asking yourself a question each day, like “What can I do to make tomorrow better than today?” If it’s helpful, you can create printable journaling “worksheets” that lay out the activities you’ve promised yourself to do.

Make a Template for Your Journal

We've talked before about the power of journaling. Setting aside some dedicated time to meditate on and write about your life-and your job-can not only help you keep a record of your day-to-day and keep track of things you want to remember, but can actually help you deal with tough situations, think toward the future, dig up new ideas, and more.

Don’t Use Full Sentences

Similar ideas to Don’t Use Full Sentences

How to Make Journaling Easy

Lead by example, repeatedly.

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