A simple, low-barrier approach to putting your thoughts somewhere useful.
Journaling has a reputation problem. The word conjures images of elaborately decorated notebooks, extended diary entries, and the kind of earnest self-reflection that feels performative. That version of journaling is fine if it appeals to you. But the research supporting journaling as a mental health tool is about something simpler: the act of translating emotional experience into language, which in itself reduces the intensity of the experience and makes it easier to think about clearly.
Effective journaling for emotional regulation doesn't require a particular format, a minimum length, or a commitment to do it daily. The minimum viable version is a few sentences: what happened, how you felt about it, what you're going to do next (if anything). That's it. Three sentences a few times a week is more than sufficient to produce measurable improvements in mood, stress processing, and self-understanding. More is fine. Less than that probably doesn't help.
If journaling feels uncomfortable, that discomfort is worth paying attention to. It usually signals either that you're avoiding something or that you're judging your own thoughts before they're out. Both are addressable. For the first: write about something small and low-stakes first. For the second: remind yourself that nothing you write has to be good, right, or fair. It just has to be honest. Journals aren't graded.