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Medically reviewed by Jeffrey S. Lander, MD
Key Takeaways
Key Takeaways
- Poor sleep can prevent normal nighttime blood pressure drops, leaving it elevated the next day.
- Dehydration in the morning can cause hormonal changes that temporarily raise blood pressure.
- Stressful morning habits, like rushing or checking emails, can trigger a stress response that spikes blood pressure.
Coffee isn’t the only thing that can affect your blood pressure in the morning. Habits like poor sleep, dehydration, stress, and smoking can also cause your numbers to rise, especially during the first few hours after walking.
1. Getting Too Little Sleep
A poor night’s sleep can affect your blood pressure before you even get out of bed. During sleep, blood pressure naturally drops, a process known as “nocturnal dipping.” When you don’t get enough sleep, this normal decline may not occur, leaving blood pressure elevated the next day.
Research found that short sleep duration and poor sleep quality are associated with an increased risk of hypertension (high blood pressure).
Experts recommend that adults aim for at least seven hours of sleep each night.
2. Skipping Water
Many people wake up mildly dehydrated after going several hours without drinking fluids.
Dehydration can reduce blood volume, causing the body to release hormones that help maintain circulation. These hormonal changes may contribute to temporary increases in blood pressure in some people.
While drinking water is not a treatment for hypertension, staying adequately hydrated supports normal cardiovascular function and may help prevent blood pressure fluctuations.
3. Feeling Stressed
Rushing out the door, checking work emails immediately, or worrying about the day ahead can trigger the body’s stress response.
When you’re stressed, your body releases hormones such as adrenaline and cortisol. These hormones cause your heart to beat faster and blood vessels to constrict, leading to a temporary increase in blood pressure.
Although these spikes are usually short-lived, frequent stress-related increases may contribute to long-term cardiovascular risk.
4. Smoking or Using Nicotine Products
Some people reach for a cigarette, vape, or nicotine pouch shortly after waking up. Nicotine causes blood vessels to narrow and stimulates the nervous system, which can rapidly increase blood pressure and heart rate.
Studies show that blood pressure can rise shortly after nicotine exposure, regardless of whether it comes from traditional cigarettes or other nicotine-containing products.
5. Eating a High-Sodium Breakfast
A breakfast loaded with sodium, such as processed breakfast sandwiches, bacon, sausage, or packaged foods, may contribute to higher blood pressure.
Excess sodium causes the body to retain fluid, increasing the amount of blood circulating through blood vessels. Over time, this can raise blood pressure and increase the risk of hypertension.
Adults should aim to consume no more than 2,300 milligrams (mg) of sodium each day, ideally closer to 1,500 mg.
6. Forgetting to Take Blood Pressure Medication
For people prescribed medication to treat hypertension, forgetting a morning dose can allow blood pressure to rise.
Blood pressure medications work best when taken consistently and as directed. Missing doses may reduce their effectiveness and increase the risk of uncontrolled blood pressure.
If you frequently forget to take your medications, strategies that may help include:
- Using pill organizers
- Setting phone reminders
- Pairing medications with a daily routine
7. Having Untreated Sleep Apnea
Many people with obstructive sleep apnea don’t realize they have it.
Sleep apnea causes repeated pauses in breathing during sleep, leading to drops in oxygen levels and activation of the body’s stress response. These changes can contribute to elevated blood pressure, particularly in the morning.
Common symptoms include:
- Loud snoring
- Gasping during sleep
- Morning headaches
- Excessive daytime fatigue
8. Taking Certain Over-the-Counter Medications
Some medications commonly taken in the morning can raise blood pressure. Examples include:
- Decongestants containing pseudoephedrine
- Certain nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen
- Some stimulant medications
If you have hypertension, talk to a healthcare provider or pharmacist before regularly using these products.
Why Blood Pressure Is Often Higher in the Morning
Even without caffeine, blood pressure naturally rises after waking.
This phenomenon, known as the “morning blood pressure surge,” occurs because the body releases hormones that prepare you for activity and alertness. Blood pressure typically peaks during the first few hours after waking, then gradually stabilizes throughout the day.
For most people, this increase is normal. However, excessively high morning blood pressure has been linked to an increased risk of cardiovascular events, including heart attack and stroke.
When to Talk to a Healthcare Provider
Occasional blood pressure fluctuations are normal. However, consistently elevated readings may indicate hypertension or another underlying health condition.
The American Heart Association defines hypertension as blood pressure consistently measuring 130/80 millimeters of mercury (mm Hg) or higher.
Talk to a healthcare provider if you:
- Frequently record elevated home blood pressure readings
- Have morning headaches, dizziness, or chest discomfort
- Suspect you may have sleep apnea
- Notice your blood pressure remains high despite treatment
Read the original article on Verywell Health
