Breathing Changes and the Death Rattle at the End of Life

Near the end of life, breathing may become shallow, irregular, or separated by long pauses. Saliva and other secretions can create the wet sound called a death rattle. These changes can frighten people in the room.

Available evidence and clinical guidance suggest that the death rattle is usually more distressing to observers than to the dying person. The sound alone can't establish comfort, so caregivers should watch the person's breathing effort, expression, movement, and other signs. For the wider picture of the last days, read what dying can look like.

As death nears, breathing becomes irregular. It can speed up, slow down, and turn shallow. Long pauses open up between breaths, sometimes ten, twenty, thirty seconds or more, and then breathing starts again. Near the very end, the breaths often become slow and shallow, and there may be a wet or rattling sound.^[1]

These patterns can occur as the body's automatic breathing control changes. The sound or rhythm alone doesn't prove distress or comfort. Call the care team if breathing appears labored, the person looks uncomfortable, or you're unsure what the change means.

The death rattle is a wet, gurgling or rattling sound that comes with breathing in the last hours or days. It happens because saliva and secretions collect in the back of the throat and the person is too weak to swallow or cough them clear. Air moving past the pooled fluid makes the rattling sound.^[2]

It’s called a rattle because that’s what it sounds like: a loose, wet vibration on each breath. It can be quiet or loud. It’s one of the most common reasons families at a home death call the hospice line in a panic.

Usually, yes. The death rattle typically appears in the last hours to a day or two of life, once the person is deeply unresponsive. It’s a sign that they’re in the final phase. It isn’t an exact countdown, and the range varies: some people have it briefly, some for longer.^[2]

If it has started, the end is generally close. Gather who wants to be there. For how the overall timing works, see how long the dying process takes.

Cheyne-Stokes breathing is a specific end-of-life pattern: cycles of gradually deeper, faster breaths that then fade to shallow ones and stop, followed by a pause with no breathing at all, before the cycle starts again. The pauses can last long enough to make the family think the person has died, and then a breath comes.^[1]

Near death, changes in the body's breathing control can create this pattern. It can look alarming. The pattern alone doesn't show whether the person is distressed, so clinicians assess breathing effort and the person's other signs.

Agonal breathing describes irregular, reflexive gasps that can happen very near death or during cardiac arrest. They may look like gasping, gulping, or a long sigh. The movements can be generated by brainstem reflexes and aren’t normal effective breathing.^[3]

In an expected hospice death, follow the care plan and call the hospice team if you're unsure. In a person who wasn't expected to die, agonal gasps can be a sign of cardiac arrest. Call 911 and follow dispatcher instructions.

There’s no single clinical name for "the last breath." It’s often a final agonal breath: a last reflexive gasp or a long, slow sigh. Long pauses between breaths are common as death nears,^[3] so a final breath or two can come after a pause that looked like the end.

A delayed final breath can startle people. A breath after a long pause doesn't establish recovery or reveal what the person is experiencing. The hospice or medical team can explain what it sees and confirm death when the time comes.

Available evidence and hospice experience suggest that the death rattle is usually more distressing to people in the room than to the dying person. Clinicians still assess the person's breathing effort, expression, movement, and other signs of discomfort rather than assuming.^[2]

The sound comes from fluid that the person can no longer clear. It isn't proof of choking. Clinicians still assess for breathlessness, pain, agitation, and other causes of discomfort instead of judging by the sound alone.

The first and simplest step is repositioning: turning the person onto their side or raising the head of the bed can let the pooled secretions drain and quiet the sound. Keeping the mouth gently moistened helps. The hospice team may also give medication to dry up the secretions.^[1]

Suctioning is usually avoided, because it can distress the body and the secretions come right back. Call the hospice or care team when breathing looks effortful, the person appears distressed, symptoms change suddenly, or you're unsure what you're seeing. They can assess the person and adjust care when needed. If your person is dying at home, we cover the final hours in dying at home, what it takes.

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This page is death education. It doesn’t replace medical advice. Breathing sounds and patterns can change near death, and the person's comfort still needs assessment. Call the hospice, palliative, nursing, or medical team when breathing looks effortful, symptoms change, or you're unsure what you're seeing. For where these facts come from, see our Sources and Methodology.