How to keep a dream journal: what to write and how to read it back

What a dream journal is for

A dream journal's first job is simply to keep your dreams from vanishing: what you don't write down is usually gone by lunchtime. Its real value shows up over time, though. Once you've collected dozens of dreams, you can see which people keep coming back, which places repeat and which feelings run through a particular stretch of your life.

That's also how researchers study dreams. In 1966, Calvin Hall and Robert Van de Castle published a system for coding the content of thousands of dream reports: characters, settings, objects, interactions, emotions. Decades later, psychologist and sociologist G. William Domhoff, who worked with that system, described how the people and interests that matter most to someone in waking life show up more often across a long series of their dreams. Your journal is a small series of exactly that kind.

What you need to get started

All a dream journal needs is one dependable place to write. A notebook used only for this, always by the bed, works well. If you'd rather use your phone, pick an app or a note you can open without distractions, and silence notifications before you go to sleep.

What matters is that it's easy first thing in the morning. If you have to hunt for a pen, unlock three screens or flip on the overhead light, the dream will be gone first. Write the date, then everything else in whatever order it comes.

What to write each morning

A good dream journal entry doesn't have to be long, but it helps to include the same pieces every time so you can compare entries later. Try writing the story in the present tense (“I'm at a train station, the train isn't coming”); it tends to bring details back.

• The date, and the time you woke up if you like.
• The story, as you remember it, even if it's out of order or full of gaps.
• How you felt in the dream and how you felt on waking, which aren't always the same.
• People and places: who they were, whether you know them, whether they reminded you of someone.
• Symbols that caught your eye: an object, an animal, a color, a number.
• A short title to help you find it later (“The train that never came”).

Write down the day before, too

The day before is the piece people forget most, and one of the most useful for understanding a dream. Sigmund Freud called the bits of the previous day that resurface in dreams the “day residue”: a conversation, a piece of news, a worry left hanging.

Modern research has added nuance. In 2004, Tore Nielsen and his team in Montreal compared people's dreams with what had happened to them over the preceding days. Dreams resembled the day before most closely and, surprisingly, the resemblance rose again for events from five to seven days earlier. So along with a couple of lines about yesterday, it's worth looking back a full week when you do your weekly review.

You don't need a full recap. Two or three sentences are enough: what kept you busy, who you talked to, what bothered you or made you glad.

A sample entry

Seeing a complete dream journal entry makes it easier to picture your own. This one is made up, but it has the shape we suggest:

• March 12. “The house with an extra room.” I'm in my childhood home, but there's a door I've never seen. I open it and find a room full of boxes with my name on them. My sister tells me it's getting late.
• In the dream: curiosity, then hurry. On waking: a little wistful.
• People and places: my sister; my childhood home. Symbols: the door, the boxes, running late.
• The day before: talked with my sister about selling our parents' house. Left with the feeling there are things I haven't gone through.

How to review your journal week by week

Reading your dream journal back is what turns it into more than an archive. You don't need to do it every day; a quiet moment once a week and a longer one once a month are plenty. Read without judging, as if these were the dreams of someone you'd like to know better.

• Each week, read the entries in a row and underline whatever repeats: a person, a place, a feeling.
• Ask yourself what was going on in your life that week and whether any dream seems to be about it.
• Each month, make a short list of the symbols and feelings that came up most.
• Compare one month with the next. Sometimes a symbol disappears right when something gets resolved, and that says a lot too.

Recurring symbols and repeating dreams

Recurring symbols are the most valuable thing a dream journal can give you. Calvin Hall noticed that the same elements tend to return in a person's dreams over long periods, and Domhoff and his colleagues found that the content of a dream series can stay stable for years. Something coming back isn't a warning sign; it usually points to a theme that still matters to you.

When you spot a symbol that keeps returning, look it up in the dictionary, but pay even more attention to how it changes. Water that drowns you one week and holds you up the next, or a house that slowly gets tidier, tells a story. If the same distressing dream keeps coming back almost unchanged for weeks, or you dread falling asleep because of it, it's worth talking to a doctor or therapist: there are treatments that help.

Your journal is yours: privacy

Privacy matters more in a dream journal than you might think. Dreams touch on desires, fears, the people closest to you and memories you may not want to share, and knowing no one else will read it lets you write honestly. If you use paper, keep the notebook somewhere only you will find it. If you use your phone, lock it and think about where your notes are stored.

Sharing a dream can be lovely, with a partner or someone you trust, but let it be a choice rather than an accident. In Astral, for example, the journal is stored on your own device and isn't sent to any server: what you write there stays with you.

When the journal feels heavy

Keeping a dream journal should feel like gentle curiosity, not a chore. If you wake up with nothing, write the date and “nothing” and move on; that's information too. If you skip a week, pick it back up without guilt.

And if reading back stirs up something painful, like grief, a loss or something you went through that still hurts, take a break. Your journal can be good material to bring to therapy, where someone can help you look at it with care.