Anyone who enters treatment for depression or PTSD will at some point be invited to report on their condition between appointments. A provider might want to know if your mood has lifted or dropped, whether your sleep has shifted, or how frequently a difficult afternoon spilled into a difficult evening. Recalling those specifics in the moment is tough, particularly when you are worn out and the visit is already underway. This is where a mood log proves useful. The central issue is not whether to maintain one, but which format you will genuinely keep up for more than a few weeks.
Paper, phone, or a simple note
Paper logs have one real advantage: they are easy to bring into the room. A printed grid with columns for sleep, energy, appetite, and a one-to-ten rating for mood can be filled in during a quiet minute at night. Some people like the physical act of writing because it slows them down enough to notice what happened that day. Others find a paper sheet easy to misplace, or they skip it for a week and then try to rebuild the numbers from memory, which tends to produce tidier results than the days actually were.
Phone apps offer reminders, automatic dates, and charts that show patterns across several weeks. They also make it easy to skip a day without anyone noticing. Many apps store entries on the device, while others sync to a cloud account, so it is worth checking what happens to your data before you enter anything personal. Apps built for general wellness are not always designed with clinical use in mind, which means a chart that looks impressive may not line up neatly with the questions your clinician uses.
A plain note in a notebook or a notes file on your phone can work just as well. A short line each evening, such as 'slept badly, skipped the walk, felt flat until dinner,' gives your clinician more texture than a number alone. The drawback is that free-text notes are harder to compare from one week to the next. Choose the format that fits your habits, not the one that looks most organized on a website.
What to track and what to leave out
Start with a small set of items you can answer in under a minute. Sleep hours, a rough energy rating, whether you took your medicine, and one or two symptoms that matter most to you are usually enough. Long lists tend to be abandoned by the second week, and a log you have stopped filling in tells your team very little. If your clinic has already handed you a symptom questionnaire, ask whether they want you to track the same items so the two sources line up instead of contradicting each other.
Include the things that changed, not only the bad days. Good stretches, a short walk, a meal you actually enjoyed, or a conversation that felt easier all help show what is shifting over time. Clinicians often find improvement as useful as struggle, because it points toward what may be helping and gives the next conversation something concrete to build on.
Leave out commentary you would rather keep to yourself. A log is for your care team, but it is still your personal record. Write only what you are comfortable having read aloud in a room. If something hard happens, such as a death in the family or a missed shift at work, a brief note with the date is enough. You do not need to narrate every feeling, and a few well-chosen words often carry more meaning than a full page.
Bringing the log to the visit
Decide before the appointment how you will share the record. Some people hand over a printout or a photo of a paper sheet. Others open an app during the visit and scroll through the last few weeks together. If you send your log through a patient portal, check whether you can upload a file beforehand so the clinician has time to review it. Portal messages are not always read the same day, so do not assume a late upload will be seen in time for your appointment.
Bring the log even when you feel you have nothing to say. Blank weeks can be informative in their own right. They may point to low energy, avoidance, or simply a busy stretch, and each of those leads to a different conversation. Mention any gaps out loud rather than trying to fill them in retroactively, because a log that looks suspiciously complete can make it harder to see what really happened.
Finally, treat the log as a tool that can change. If a column never gets used, drop it. If you find yourself dreading the daily entry, shorten it or switch formats altogether. A record you keep for three months is worth far more than a perfect one you abandon in week two. Your clinician can help you adjust the method at a later visit, and that conversation is part of the work too.