Why am I having vivid dreams? Everyday reasons and what helps

You wake up with your heart going, sure for a second that the argument, the exam or the flight you missed really happened. Then it fades, but the feeling sticks around for breakfast.

Vivid dreams are usually harmless. We all dream every night, and dreams tend to feel more vivid, and stick in your memory more, when sleep is short, broken or stressed. Most of the time, steadier sleep and a less hectic week bring them back to normal.

Late last week, posts about intense, oddly real dreams trended online, as people shared mornings spent shaking off a dream they could barely remember. If that's been you, here is what's going on, what helps, and how the Thrive Health Band shows what your nights have been like.

Why do dreams feel so real?

The Sleep Health Foundation explains that we all dream every night, and that we dream most vividly during REM (rapid eye movement) sleep. REM comes in short episodes about 90 minutes apart, and our longer dreams happen in the morning hours. Part of the front of the brain, which helps us make sense of the world when we're awake, is less active while we dream, which is why dreams can stitch together ideas that don't normally belong together.

The same fact sheet notes that most dreams link to recent experiences, usually from the last day or two. So a stressful week at work can show up in your dreams by Thursday night.

Why am I remembering my dreams more?

You dream every night whether you remember it or not. You tend to recall a dream when you wake during it or straight after it. So anything that breaks up the second half of the night, when REM is longest, can make dreams feel more frequent:

an early alarm that cuts into your last REM stretch
a warm room, noise, a restless partner or a pet on the bed
needing the bathroom in the early hours
waking and checking the time

If early waking is part of the pattern, see waking up too early.

Common reasons for vivid dreams

Stress and big feelings. The Sleep Health Foundation notes that nightmares can be set off by stress, trauma, illness, medicines and drugs, and that dreaming about stressful things may help us deal with them.
Short sleep, then catching up. The US Sleep Foundation explains that after a stretch of short nights, the body can go into REM sooner and more often, sometimes called REM rebound. More REM means more chance of vivid dreams.
Alcohol. The US Sleep Foundation says alcohol tends to reduce REM early in the night, then sleep becomes lighter and more broken later on, which can bring vivid dreams. See how alcohol affects sleep.
Hormone changes. Pregnancy, the days before a period and perimenopause can all unsettle sleep. Our article on perimenopause, sleep and mood covers that stage.
Medicines. Some medicines, or stopping them, can bring on vivid dreams. If yours started after a change, talk to your GP or pharmacist rather than stopping anything yourself.
Being unwell. A fever or a cold can make sleep restless and dreams more intense for a few nights.

What helps when dreams are rattling your sleep

Keep your sleep times steady. Regular bed and wake times make short nights, and REM rebound, less likely.
Give yourself enough time in bed. Most adults need 7 to 9 hours. Here is how much sleep adults need by age.
Wind down before bed. A screen-free half hour, a warm shower or slow breathing helps your mind settle. Try box breathing.
Go easy on evening drinks. Fewer drinks, finished earlier, give the second half of the night a better chance.
Keep the room cool and dark. Spring and summer nights warm up fast. See warm nights and summer sleep.
Rewrite a recurring bad dream. For a dream that keeps coming back, the Sleep Health Foundation describes learning to change the story line: while awake, think through how the dream could end differently.

How Thrive shows what your nights have been like

Thrive can't tell you what you dreamt. What it can show is the kind of nights that tend to go with vivid dreams. The Band has no screen, so you can wear it overnight without a glow on your wrist, and the Thrive by Optihealth app brings your nights and days together.

Sleep stages. See your Deep, Light, REM and Awake time, with a colour-coded chart of the night. To see REM, turn on Precise sleep in the app. It measures your sleep every minute and uses the battery faster. More on what REM sleep is.
Sleep, four ways. Thrive shows Quality, Quantity, Regularity and Timing, plus hours slept, so you can spot short or broken nights.
Check-ins. Log mood and stress, and tag things like alcohol, work stress or travel. Over a few weeks, Patterns can show what tends to go with your restless nights.
Guided Breathing and Sound Sessions. Follow a short breathing session before bed, or try a Sound Session. Thrive's binaural beats may help you fall asleep.
Ask Thrive. Try "Was my sleep more broken this week?" or "Do I sleep worse after a drink?"

Thrive also learns what is usual for you right across your health, including heart, HRV, temperature, stress and mood, nutrition and more, and your Health Fingerprint is ready after about 30 days of wear.

When to talk to your GP

An odd or intense dream now and then is normal. But if bad dreams wake you often, make you afraid to go to sleep, follow a frightening event, leave you tired most days, or come with acting out dreams in your sleep, talk to your GP. Thrive isn't a diagnosis, but you can show your Thrive trends to your GP, and Ask Thrive can help you line up a few weeks of sleep, mood and stress first. Here is how to use Ask Thrive before a GP appointment.

Before you buy

Thrive Health Band: A$589 for the band including 12 months of the Thrive plan, paid upfront. Prices are in AUD and include GST.

Free shipping. Your 12 months start when you activate your Band, and there's no automatic renewal.

At renewal: a new band plus 12 more months for A$589.

Or keep your band and renew the plan for A$240 a year.

Or A$29 a month with no lock-in.

One size, IP68, up to 14 days battery, 12-month warranty, not a medical device, no Apple Health sync. The app is Thrive by Optihealth on iPhone and Android.

See today's price on the Thrive store

Consumer guarantees under Australian Consumer Law always apply. See Returns if something is wrong with your purchase.

Common questions

Why am I having vivid dreams all of a sudden?

Common reasons include stress, a run of short nights, evening drinks, being unwell, hormone changes and some medicines. Broken sleep also makes you more likely to remember dreams.

Are vivid dreams a bad sign?

Usually not. We all dream every night, and vivid dreams often settle once sleep and stress settle. Talk to your GP if bad dreams are frequent or affect your days.

Can Thrive track my dreams?

No. Thrive shows your sleep stages, including REM, and how broken or short your nights were, so you can see what tends to go with vivid dreams.

For more answers, see Questions.