sleep that comes and goes

Overview

Sleep that comes and goes — sometimes called broken sleep or fragmented sleep — is when your sleep is interrupted by long or repeated wake-ups during the night. You may fall asleep easily but wake up often, or you may doze on and off without ever reaching deep, restful sleep.

Yes. Almost everyone has nights where sleep comes and goes, especially during stressful times. It becomes more common with age, but it can affect people of all ages.

It can affect anyone, but it is especially common in people living with anxiety, depression, post-traumatic stress, bipolar disorder, or other mental health conditions. It is also more common in shift workers, older adults, and people under high stress.

Symptoms

Common symptoms

• Waking up several times during the night
• Lying awake for a long time in the middle of the night
• Falling asleep in front of the TV or during the day without meaning to
• Feeling tired, foggy, or irritable during the day
• Needing naps that do not feel refreshing
• Worrying about sleep, which makes it harder to sleep
• Waking up too early and not being able to get back to sleep

Symptoms in children

• Restless sleep, moving around a lot
• Waking at night and calling out or needing a parent
• Trouble settling back to sleep
• Daytime sleepiness, mood swings, or trouble concentrating at school

Symptoms in older adults

• Lighter sleep and more time awake in the night
• Needing to use the bathroom more often at night
• Dozing frequently during the day
• Waking earlier than desired
• Feeling unsteady or more confused with poor sleep

Causes

Main causes

• Stress and worry
• Anxiety, depression, post-traumatic stress, or bipolar disorder
• Poor sleep habits, such as irregular bedtimes, screen use before bed, or too much caffeine late in the day
• Medical conditions like sleep apnoea, chronic pain, restless legs syndrome, or an overactive thyroid
• Medicines or substances, including alcohol, nicotine, and some prescription drugs
• Hormonal changes, menopause, pregnancy, or ageing
• Shift work and jet lag

Risk factors

• Living with a mental health condition
• High levels of stress or recent trauma
• Irregular work schedule or night shifts
• Heavy caffeine, nicotine, or alcohol use
• Lack of physical activity
• Having a physical condition that causes pain or breathing difficulty
• Being older

When to see a doctor

See a doctor urgently if:

• Call your local emergency number if you have thoughts of harming yourself or others.
• Seek same-day help if sleep problems are dangerous, such as falling asleep while driving.

Book a routine appointment if:

• Make an appointment with a healthcare provider if broken sleep has lasted more than a few weeks.
• See your provider if daytime tiredness affects your work, school, or relationships.
• Talk to a professional if poor sleep is linked to low mood, anxiety, trauma, or other mental health symptoms.
• Ask about a sleep assessment if a partner notices loud snoring or breathing pauses during sleep.

Diagnosis

A doctor or mental health professional will ask about your sleep pattern, daily habits, mood, stress, and any medical conditions you have. They may ask you to keep a sleep diary for a week or two to track when you sleep, wake, nap, and how rested you feel.

Tests that may be done

• Sleep diary
• Questionnaires about sleepiness, mood, and anxiety
• Blood tests to check for conditions that can affect sleep, such as thyroid problems or low iron
• Sleep study, called polysomnography, if a specialist suspects sleep apnoea or another sleep disorder

What to expect at your appointment

You do not need to prove how tired you are. Bring a list of your sleep times and any concerns. The provider will listen, ask questions, and may arrange tests or a referral to a sleep clinic or mental health specialist.

Treatment

Treatment focuses on the root causes of broken sleep, not just the sleep itself. For many people, improving sleep habits, managing stress, and treating underlying mental health or physical conditions are enough. A healthcare provider will work with you to choose a plan that feels realistic and safe for you.

Self-care at home

• Keep a regular wake-up time every day, even after a poor night
• Use your bed mainly for sleep, and get up if you cannot sleep after about 20 minutes
• Create a calm wind-down routine before bed, such as reading, gentle stretching, or quiet music
• Reduce bright screen time in the hour before bed
• Cut down on caffeine in the afternoon and evening, and limit alcohol before bed
• Get daylight exposure early in the day
• Try a short, gentle relaxation exercise or breathing practice when you wake in the night

Medical treatments

A healthcare provider may offer talking therapy, such as cognitive behavioural therapy for insomnia, which is often called CBT-I. This approach helps change thoughts and habits that keep you awake. They may also treat an underlying mental health condition or a medical issue such as sleep apnoea. In some cases, a doctor might consider a short-term sleep medicine, but it is always prescribed and monitored by a professional. Never take sleep medicines without advice, and never mix them with alcohol or other depressants.

When is surgery considered?

Surgery is not a treatment for sleep that comes and goes. In rare cases, a specialist may recommend surgery for an underlying cause like severe sleep apnoea, but that would only be considered after a full assessment.

Living with this condition

Living with broken sleep is hard, but small daily choices can make a real difference. Be kind to yourself on rough days and avoid trying to force sleep, because pressure makes it harder. Focus on consistent routines, gentle activity, and getting support for whatever is worrying you.

Lifestyle tips

• Set a regular wake-up time and anchor your day around it
• Build movement into your day, but avoid vigorous exercise late at night
• Keep your bedroom dark, quiet, and comfortably cool
• Use the hour before bed to slow down with a consistent routine
• Manage stress with mindfulness, journaling, or talking things through with someone you trust
• Limit daytime naps to 20 to 30 minutes, and avoid napping too late in the day

Diet and exercise

A balanced diet and regular physical activity support better sleep, but avoid heavy meals, alcohol, and too much caffeine close to bedtime. Eating a large meal right before bed can also disturb sleep. Gentle evening activities like walking or stretching may help calm the body.

Mental health and emotional wellbeing

Broken sleep and mental health affect each other. Poor sleep can make worry, low mood, and irritability worse, and those feelings can make sleep harder to come by. Breaking that cycle is possible, and sleep often improves when you get support for your mental health.

Prevention

Not every episode of broken sleep can be prevented, especially during stressful life events. However, keeping consistent sleep habits, managing stress early, and treating mental or physical health concerns promptly can reduce how often it happens and how much it affects you.

Vaccines

No vaccine prevents broken sleep. Keeping your routine vaccines up to date may help by reducing infections that could disturb your sleep.

Screening programmes

There is no standard screening test for everyone, but if you regularly struggle with sleep or mood, a healthcare provider can assess you and recommend the right next steps. Talking about sleep during routine check-ups can help catch problems early.

Complications

If left untreated

• Persistent tiredness that affects work, school, or relationships
• Worsening of anxiety, depression, or other mental health conditions
• Higher risk of accidents and falls from daytime sleepiness
• Problems with memory, concentration, and decision-making
• Long-term risk to physical health, including high blood pressure and heart disease

Long-term outlook

The outlook is generally good. Most people who experience broken sleep improve with the right combination of routine changes, stress management, and support for any underlying conditions. It may take time, but better sleep is achievable, and even small improvements can make a meaningful difference to how you feel during the day.

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