Keep Waking Up at 3 A.M.? Here’s What Your Body Might Be Telling You

Key Takeaways

• Sleep becomes lighter in the second half of the night, which could explain our 3 a.m. wake-ups.
• Fixing your sleep environment and eating habits before bedtime can alleviate sleep disturbances.
• Check in with a health professional or sleep specialist if these awakenings happen more than three nights a week for over a month and affect your daytime well-being.

Waking up at 3 a.m. can be frustrating and leave you groggy and tired the next day. Nighttime wakings can be caused by many factors, including hormonal shifts, light sleep cycles, environmental disturbances, and stress. Good sleep habits and relaxation techniques can often help you get back to sleep and make it less likely you’ll wake in the middle of the night.

Mira Norian / Getty Images

Reasons You Keep Waking Up at 3 A.M.

There are a few different reasons you might keep waking up at 3 a.m. (or any other time in the night):

Natural Sleep Cycle

Julia Kogan, PsyD, health psychologist and stress and insomnia specialist, explains that it is common for people to wake up between sleep cycles.

• Sleep cycles last approximately 90–100 minutes.
• We typically return to light sleep at the beginning of the next sleep cycle. This is usually the time when we naturally wake up.
• During the second half of the night, sleep becomes lighter.
• As a result, we’re more likely to wake up around 3 a.m. since we’ve completed two to three sleep cycles.

Julia Kogan, PsyD

People may wake up between sleep cycles earlier in the night, but because sleep is generally lighter, they are more likely to remember waking up than earlier in the night.

— Julia Kogan, PsyD

Such wakings are normal, and in many cases, don’t cause much of a problem. “As long as someone can go back to sleep with relative ease, this is generally not considered to be a problem,” says Kogan says.

Conditioned Insomnia

Annie Miller, LCSW-C, therapist and owner of DC Metro Therapy, says that conditioned insomnia is one of the most common, yet overlooked , reasons people wake up at 3 a.m.

This happens when your brain learns to expect wakefulness at a certain time, often after a period of stress, disrupted sleep, or frequent nighttime awakenings.

Even once the original trigger is gone, your brain may continue to “wake you up on schedule,” reinforcing the cycle night after night.

Cortisol Fluctuations

Nilou Esmaeilpour, MSc, RCC, clinical director, registered clinical counselor, and founder of Lotus Therapy, shares that cortisol bursts are apt to occur at this time as part of the normal circadian rhythm. If you’re already in a state of hyper-stress, you’re more likely to be woken by this cortisol burst.

Miller adds that cortisol naturally rises in the early morning to help you wake up. But when your nervous system is dysregulated — due to anxiety, chronic stress, or trauma — this rise can happen too early or too sharply, causing premature wake-ups.

Stress, Anxiety and Depression

Stressful life events can make your brain more alert during lighter stages of sleep, especially around 3 a.m., when your sleep is more fragile, Miller explains.

“If someone is experiencing chronic worry, particularly the kind that manifests as ruminating thoughts about work, relationships, or health, it can lead to early morning awakenings,” Esmaeilpour says.

Depression can also disrupt circadian rhythms. Dr. Kogan says that people with depression tend to spend excessive time in bed or sleeping, which can make them more likely to wake during the night. Of course, this can also occur with people who don’t experience depression.

“Most people need between seven to nine hours of sleep…[but if] someone is trying to sleep or staying in bed for…longer than they need, their body will wake up and stay awake because it does not need that much sleep,” says Kogan.

Meals and Blood Sugar

What and when you eat or drink can impact your sleep. Kogan says that heavy meals or consuming liquids before bed can lead to lighter, more interrupted sleep, with awakenings in the second half of the night. Esmaeilpour adds that a drop in blood sugar can cause someone to wake up, especially if they have an early dinner or drink alcohol before bedtime.

Medical Conditions

Lastly, medical conditions can also contribute to frequent night awakenings. Miller shares that during perimenopause, fluctuations in estrogen and progesterone can cause hot flashes and night sweats that disrupt sleep in the early morning hours.

“Menopause is associated with middle-of-the-night and early morning awakenings,” Kogan says. She also notes other conditions that can cause frequent awakenings, such as:

• Breathing disorders
• Pain
• Cardiovascular issues
• Neurological disorders can

“Medications associated with these conditions can also cause nighttime awakenings,” she says.

How to Fall Back Asleep

Grounding techniques that involve connecting with your body can help you fall back asleep during this moment.

• Body-based techniques: Esmaeilpour explains that body-based practices include feeling the weight of your body against the bed, watching your breath, scanning the room, or putting a hand over your heart to provide gentle touch.
• Gentle movement: “Mild to moderate gentle movements such as pressing feet into the mattress, soft humming, and gentle rocking of hips can help to re-establish a sense of grounding. Merely being aware of your body, as it is, without the urge to change anything, can be very soothing,” says Esmaeilpour.
• Visualization: Kogan suggests that if someone wakes up briefly without an overly active mind, it can be helpful to visualize a floating object, such as a 3D shape, peaceful imagery, or something else that does not overly activate the mind, but can keep the mind from starting to overthink.
• Relaxation techniques: If the mind or body becomes active or tension builds, deep breathing and progressive muscle relaxation can be effective. 

Merely being aware of your body, as it is, without the urge to change anything, can be very soothing.

—
NILOU ESMAEILPOUR, MSC, RCC

Ways to Prevent Waking in the Night

There are also lifestyle changes you can make to promote better rest and avoid waking up in the middle of the night. These include:

• Establish a sleep schedule: Focus on going to bed and waking up at the same time each night to promote better rest.
• Create a restful sleep environment: Make sure that your sleeping space is comfortable and designed for sleep. Focus on keeping your bedroom comfortable, cool, quiet, and dark during the night.
• Manage your stress levels: Make sure that you aren’t going to bed in a state of elevated stress. Use techniques like journaling, yoga, meditation, breathing exercises, and mindfulness during the day and evening to keep your stress in check.
• Avoid sleep disruptors: To ensure you get a good night’s sleep, skip caffeine, heavy meals, and alcohol in the late afternoon and evening.

Fixing the sleep environment can support falling back asleep. For instance, having a fan or extra blankets nearby can be helpful if you tend to wake up due to body temperature changes.

What Not to Do at 3 a.m.

After waking up in the middle of the night, you might be tempted to check your phone and do a bit of light doomscrolling. Instead, try getting into a cozy position and clearing your mind. Dr. Kogan advises avoiding devices and focusing on relaxing the mind and body.

Miller shares other don’ts when trying to fall back asleep:

• Don’t lie in bed awake: If you haven’t fallen back asleep within 15 to 20 minutes, get out of bed. Staying in bed trains your brain to associate it with wakefulness (and stress about not sleeping), not rest.
• Don’t look at the clock: Checking the time adds pressure and keeps your brain in problem-solving mode, which makes sleep even more elusive.
• Don’t try to force sleep: Sleep happens when we let go, not when we chase it. If you focus on resting and gently distracting yourself, sleep is more likely to return on its own.

When to Seek Help for Nighttime Waking

If you’ve made changes and keep waking up at 3 a.m., it may be time to talk to your doctor.

“Working with a therapist who understands the connection between the mind and body can help address both the sleep disruption and the underlying causes, supporting more restful nights and greater emotional resilience,” advises Esmaeilpour.

Verywell Mind uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy.

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By Katharine Chan, MSc, BSc, PMP

Katharine is the author of three books (How To Deal With Asian Parents, A Brutally Honest Dating Guide and A Straight Up Guide to a Happy and Healthy Marriage) and the creator of 60 Feelings To Feel: A Journal To Identify Your Emotions. She has over 15 years of experience working in British Columbia’s healthcare system.

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