COVID recovery that worsens lying down

Overview

Some people feel worse when lying flat during COVID recovery. This can cause breathlessness, dizziness, or a racing heart that improves when you sit up. This pattern is often linked to changes in heart rate and blood pressure that can happen after an infection.

Many people with long COVID report symptoms that change with posture. It is not rare, but doctors are still learning how often it happens.

It can affect anyone who is recovering from COVID-19, but it seems more common in women and in younger or middle-aged adults. Older adults may also be affected, sometimes due to other health issues.

Symptoms

Common symptoms

• Breathlessness or a feeling of heaviness in the chest when lying flat
• Dizziness or light-headedness
• A fast or pounding heartbeat
• Fatigue that feels worse after rest
• Coughing when lying down
• Feeling like you need to sit up to breathe comfortably

Symptoms in children

• Trouble falling asleep or waking often
• Being unusually quiet or avoiding active play
• Complaining of a racing heart or tiredness
• Breathing noisily when lying down

Symptoms in older adults

• Severe breathlessness when lying down
• New swelling in the feet or ankles
• Trouble managing daily tasks without rest
• Confusion or extreme fatigue

Causes

Main causes

• COVID can cause inflammation in the lungs, heart, or blood vessels, which can make lying flat harder.
• The infection may affect the nervous system, including the system that controls heart rate and blood pressure.
• Long periods of rest during illness can lead to changes in the body's normal response to posture.
• In some cases, small blood clots or lung effects from COVID remain after the acute infection.

Risk factors

• Severe COVID-19 illness
• Being in bed for a long time during recovery
• A prior history of fainting, dizziness, or a heart condition
• Dehydration
• Female sex or childbearing age

When to see a doctor

See a doctor urgently if:

• If your symptoms stop you from walking up one flight of stairs
• If you have severe dizziness or have fainted
• If you feel breathless at rest

Book a routine appointment if:

• If symptoms last more than a few weeks after your COVID infection
• If you notice that lying down always makes you feel worse
• If you need to add pillows to sleep comfortably at night

Diagnosis

A doctor will ask about your symptoms and how they change when you sit, stand, or lie down. They will check your heart rate and blood pressure in different positions. This can often be done in a clinic.

Tests that may be done

• Heart rate and blood pressure readings while lying, sitting, and standing
• Electrocardiogram (ECG) to check the heart's rhythm
• A chest X-ray or breathing tests if lung effects are suspected
• Blood tests to look for anemia, infection, or other causes

What to expect at your appointment

You may be asked to keep a simple diary of your symptoms. The doctor may also refer you to a specialist for more tests, such as a tilt table test, if your symptoms are complex.

Treatment

Treatment focuses on relieving symptoms and helping you gradually return to normal activity. No single treatment works for everyone, so your health team will tailor a plan to your needs.

Self-care at home

• Raise the head of your bed or use extra pillows so you sleep slightly upright
• Get up slowly from lying to sitting, and wait a moment before standing
• Drink enough water to stay well hydrated
• Wear compression stockings if your doctor approves — they can help with dizziness
• Break activities into small, manageable chunks and rest between them

Medical treatments

Depending on your symptoms, a doctor may recommend medications to help control heart rate or blood pressure, but any medication must be prescribed and monitored by a healthcare professional. Some people benefit from physical therapy or a structured rehabilitation program such as pulmonary rehabilitation.

Living with this condition

Plan your day so you have time to rest. Notice which positions and activities make symptoms worse and adjust your routine. It can help to keep a small notebook of what you do and how you feel.

Lifestyle tips

• Keep a regular sleep routine
• Stay hydrated throughout the day
• Avoid alcohol and caffeine if they make you feel worse
• Wear loose clothing and avoid sudden temperature changes
• Ask your doctor about compression stockings or other supportive devices

Diet and exercise

Eat a balanced diet, but avoid very heavy meals that may make you drowsy. Gentle exercise, such as short walks or exercises you can do lying down, can be helpful, but it is best to start slowly and only with your doctor's advice. In some cases, your doctor may recommend increasing salt or fluids, but do not change these without first discussing it with your care team.

Mental health and emotional wellbeing

Symptoms that come and go can be frustrating and worrying. It is common to feel anxious, discouraged, or down when recovery is slow. Talking to a counsellor or someone you trust can help, and many people with long COVID find peer support helpful.

Prevention

There is no guaranteed way to prevent COVID recovery symptoms, but taking steps to avoid getting very sick from COVID can reduce the risk. This includes vaccination, staying up to date with boosters, and seeking early medical care if you have persistent symptoms.

Vaccines

COVID vaccines are recommended to lower the chance of severe illness and may reduce the risk of developing some long COVID symptoms. Check with your local health service for guidance.

Complications

If left untreated

• Falls from dizziness or fainting
• A decline in physical fitness from avoiding activity
• Persistent fatigue that affects daily life
• In rare cases, blood clots or lung problems if an underlying condition is not found

Long-term outlook

Most people with post-COVID symptoms improve over time, especially with the right support. Recovery can take weeks or months, but many people gradually return to their usual routines. Your health team can help you find ways to manage symptoms and celebrate small steps forward.

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