I woke up with weakness or difficulty speaking: what should I do?
Waking up with weakness or difficulty speaking could mean you are having a stroke: call 911. Learn what to look for, why it matters when you were last well, and what happens in the emergency department.
By Dr. Martin Roberto Casas MartínezSep 29, 20266 min read
In this article
Summary: If you woke up with weakness in your face, an arm, or a leg, or with trouble speaking or understanding, call 911 immediately: it could be a stroke, and every minute counts. Don’t wait to see if it gets better, and don’t drive to the hospital. Symptoms that appear during sleep do not mean it is too late: the last time you were well is key information for the emergency team.
“I woke up with weakness or trouble speaking. What should I do?” is a question that can’t wait. This page first explains what to do immediately, then describes what information the team needs and what to expect at the hospital—whether you’re reading while the ambulance is on its way or accompanying a family member who is already hospitalized.
What should I do right now?
Call 911 now, even if the symptoms seem mild or you’re not sure. A stroke—whether caused by a blockage in blood flow (ischemic) or bleeding (hemorrhagic)—is a medical emergency, and early care changes the treatment options.
Do not drive yourself or ask someone to take you by car if you can avoid it: when you call 911, emergency personnel can begin caring for you before they reach the hospital. While you wait, do not eat or drink, write down the time you noticed the symptoms, and keep your medication list handy.
How can I recognize the signs while help is on the way?
Use the R.Á.P.I.D.O. method to observe and describe what you see: a drooping face, impaired balance, loss of strength in an arm or leg, vision problems, difficulty speaking, and getting help by calling 911. It can help you recognize signs, but it cannot rule out a stroke.
- •F — Face drooping: one side of the face droops, or the smile looks uneven.
- •B — Balance problems: trouble walking or dizziness with loss of balance.
- •A — Arm or leg weakness: an arm or leg doesn’t respond or drops when you try to raise it.
- •V — Vision problems: sudden vision loss or double vision.
- •S — Speech difficulty: slurred words, confusion, or difficulty understanding what someone says.
- •A — Act quickly: call 911 immediately.
A severe, sudden headache, vertigo, or nausea may also occur. In women, some signs may be subtler, such as sudden fatigue or disorientation.
What if the symptoms have already gone away?
Go to the emergency department anyway. Stroke symptoms that go away on their own still require urgent evaluation because they may precede a more serious event. The fact that they have gone away does not mean the problem has been resolved.
A brief episode may be a transient ischemic attack (TIA: a temporary interruption of blood flow to the brain) or have other causes. Distinguishing between these requires an assessment and tests; it cannot be determined at home. Tell the team what symptoms you had, how long they lasted, and when they occurred.
Why do they ask when I was last well?
When symptoms appear during sleep, the time they began is unknown. The team uses the last time the person was clearly free of symptoms—not the time they woke up—along with imaging results to decide which options to consider.
Before you arrive at the hospital, try to remember or ask anyone who was there:
- •What time did you go to bed, and were you symptom-free then?
- •Did anyone see you, speak with you, or notice you getting up during the night?
- •What time did you notice the symptoms when you woke up?
Give them the information as you remember it, without interpreting it.
What happens when I arrive at the emergency department?
The team performs a neurological exam and orders imaging tests, such as a CT scan or MRI, to determine whether there is a blockage or bleeding and which area of the brain is affected. The team uses those results and the time symptoms began to decide on an individualized course of care.
Your role is to provide information: observed symptoms, the last time the person was symptom-free, medications, and medical history. If the patient cannot communicate, it’s helpful for someone who can answer questions to accompany them.
You may hear two terms: aphasia, difficulty understanding or expressing language, and dysarthria, difficulty pronouncing words due to weakness in the muscles used for speech, even when the person knows what they want to say. Both can occur after a stroke, and the medical team will assess which one is involved.
Frequently asked questions
Can I take aspirin while the ambulance is on its way?
Do not take any medication on your own. Until the medical team performs a CT scan, it is not known whether the stroke is caused by a blockage or bleeding, and some medications can make bleeding worse. Wait for the ambulance and tell the team what you usually take.
What should I do if I live alone and have trouble speaking?
Call 911 anyway and say what you can, even if it is only a few words. If someone is nearby, ask them to help you call and open the door. Do not try to drive or wait for a family member to arrive from far away.
If I wake up with symptoms, does that mean it is too late for treatment?
Do not assume that. Treatment options depend on imaging studies and the medical team's assessment, not just the clock. That is exactly why you should seek care right away: the sooner you are assessed, the more options may be considered.
What should you ask the hospital care team?
If you have new or worsening symptoms, the priority is still to call 911 or notify staff immediately if you are already in the hospital. If you are accompanying a family member, these questions can help you understand the plan:
- •What type of stroke did they have, which area of the brain was affected, and what tests are still pending?
- •What is the treatment plan, and what comes next after the acute phase, including rehabilitation?
- •What changes in consciousness, speech, or mobility should I report right away?
For non-urgent questions or to request an individual assessment, you can contact the office.
Informational notice: This content is for informational purposes and does not replace a medical consultation or constitute a diagnosis.
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