Why Do I Keep Waking Up at 3 a.m.?

Waking around 3 a.m. usually happens because sleep is less deep in the second half of the night, so stress, alcohol, noise, hormones or a mood disorder can pull you awake more easily. The National Heart, Lung, and Blood Institute explains that sleep runs in cycles of 80 to 100 minutes, that most people have four to six cycles a night, and that "you may wake up briefly between cycles." Deep sleep is concentrated early in the night, and REM sleep takes up more of the later hours.

Trouble staying asleep is more common than trouble falling asleep. CDC data from the 2020 National Health Interview Survey show that 17.8% of U.S. adults had trouble staying asleep most days or every day in the past month, compared with 14.5% who had trouble falling asleep. The rate was 20.7% for women and 21.8% for adults ages 45 to 64. This post covers why it happens, when it counts as insomnia, how it relates to anxiety and depression, and what helps.

This article is for general education and is not medical advice. Talk with your prescriber before starting, stopping or changing any medication.

Is It Normal to Wake Up at 3 a.m.?

Brief awakenings are a normal part of sleep. Because sleep moves in cycles, there are several points each night when you come close to the surface. Most of the time you roll over and do not remember it.

It becomes a problem when you wake fully, cannot get back to sleep, and feel the effects the next day. The CDC figures show how many people that describes: roughly one in six adults has trouble staying asleep on most days.

The specific hour is less mysterious than it feels. Someone who falls asleep around 11 p.m. has finished two or three sleep cycles by 3 a.m. The deepest sleep of the night is mostly behind them. A sound, a full bladder or a worried thought that would not have registered at midnight can wake you at three.

What Causes Waking Up in the Middle of the Night?

The National Heart, Lung, and Blood Institute lists several things that raise the risk of insomnia.

• Stress and worry about work, relationships, money or a loss.

• Caffeine, nicotine and alcohol, especially close to bedtime.

• Age. The chance of insomnia rises as people get older.

• Sex and hormones. Insomnia is more common in women, and the changes of pregnancy and menopause can cause sleep problems.

• Environment, including noise or light during the night.

• Interrupted sleep, such as waking often to care for a baby.

Other health problems can also disturb sleep. If you snore loudly, wake up gasping, have pain at night, or get up repeatedly to urinate, mention it to a medical provider, because those need their own evaluation.

Midlife is a common time for this pattern. In the CDC survey, 21.8% of adults ages 45 to 64 reported trouble staying asleep. The post on how perimenopause affects mental health covers that stage.

Could Waking Early Be a Sign of Anxiety or Depression?

It can be. Sleep changes are built into the definitions of both conditions.

The National Institute of Mental Health lists "difficulty sleeping, waking too early in the morning, or oversleeping" among the common symptoms of depression. Waking hours before the alarm with a heavy mood, along with loss of interest, low energy or hopelessness lasting at least 2 weeks, is a pattern worth an evaluation.

With anxiety, worry can fill the quiet hours. The T and C Psychiatric Services anxiety page lists trouble sleeping due to racing thoughts as a common symptom. The post on the link between overthinking and anxiety looks at that cycle.

Sleep and mood affect each other, which the post on how sleep is connected to mental health and mood explains.

When Does Waking at Night Count as Insomnia?

Insomnia is not only trouble falling asleep. The National Heart, Lung, and Blood Institute defines it as trouble falling asleep, staying asleep or getting good quality sleep.

Short-term insomnia lasts days or weeks and is often set off by stress or a change in schedule. Chronic insomnia has a threshold: it occurs 3 or more nights a week, lasts more than 3 months, and cannot be fully explained by another health problem.

If you have been waking at 3 a.m. several nights a week for more than three months and it is affecting your days, that meets the general description of chronic insomnia and is a reason to seek care. The post on recognizing and treating insomnia has more on the signs.

What Helps You Stay Asleep?

Start with the basics. The T and C Psychiatric Services insomnia page lists four practical strategies:

• Create a calming bedtime routine that signals it is time to wind down.

• Limit screen time for at least an hour before bed.

• Reduce caffeine, nicotine and alcohol, especially in the evening.

• Go to bed and wake up at the same time every day, including weekends.

Alcohol deserves a second mention. It appears on the National Heart, Lung, and Blood Institute's list of substances to avoid close to bedtime.

When habits are not enough, the recommended treatment is cognitive behavioral therapy for insomnia, or CBT-I. The American College of Physicians recommends it as the initial treatment for all adults with chronic insomnia disorder. The VA's National Center for PTSD reports that CBT-I improves sleep in 7 out of 10 people who complete it. More on daily habits is in the post on how healthy sleep supports emotional stability.

Do Sleep Medications Help With Staying Asleep?

Some do, and the choice should be made carefully. The American Academy of Sleep Medicine's guideline on insomnia medication suggests several prescription options for sleep maintenance insomnia, including suvorexant, eszopiclone, zolpidem, temazepam and doxepin. It graded each of those as a weak recommendation, meaning the evidence carries some uncertainty.

The same guideline suggests that clinicians not use trazodone, melatonin or the antihistamine diphenhydramine for insomnia in adults.

Medication is generally a short-term tool. The American College of Physicians recommends a shared decision about adding short-term medication when CBT-I alone has not worked. When anxiety or depression is driving the early waking, treating that condition is part of fixing the sleep.

FAQ

Why do I wake up at the same time every night?

Sleep runs in repeating cycles of 80 to 100 minutes. If you go to bed at a consistent time, the lighter points between cycles fall at about the same times each night, so a recurring trigger can wake you on schedule.

Is waking up at 3 a.m. a sign of depression?

It can be one sign. The National Institute of Mental Health lists waking too early in the morning among the symptoms of depression. Other symptoms would need to be present most of the day, nearly every day, for at least 2 weeks.

Does alcohol make you wake up at night?

Alcohol is on the National Heart, Lung, and Blood Institute's list of substances to avoid close to bedtime because of its effect on sleep.

How long should I wait before getting help?

Waking 3 or more nights a week for more than 3 months fits the description of chronic insomnia. Seek help sooner if it is affecting your mood, safety or ability to function.

Should I take melatonin when I wake up at night?

The American Academy of Sleep Medicine suggests that clinicians not use melatonin as a treatment for sleep onset or sleep maintenance insomnia in adults. Ask your provider before adding any supplement.

Is it worse for women?

Trouble staying asleep is more common in women. In the 2020 CDC survey, 20.7% of women reported it compared with 14.7% of men.

Help for Insomnia in Greensburg, PA

T and C Psychiatric Services LLC in Greensburg, PA provides evaluations and assessments, medication management and ongoing monitoring for insomnia, and can connect you with trusted local therapists. Its board-certified nurse practitioners see patients in person and through online and remote services.

If you or someone you know is in crisis, call or text 988 to reach the 988 Suicide & Crisis Lifeline, text HOME to 741741 to reach the Crisis Text Line, or call 911 for an immediate emergency.

Visit T and C Psychiatric Services or call 724-951-2413 today. Contact us for more information.