What is the best way to get yourself to sketch and use your journal more often? Make your sketching kit more easily accessible. If your journal is easy to grab and put away, you will find you use it all the time. If is is a hassle, that negative reinforcement will slowly push you away from drawing, demotivating you step by step.
A few considerations for sketching at high elevation and a special shout out to my through-hiker friends who keep journals along the trail.