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Sleeping Heart Rate: A Comprehensive Guide

Sleeping Heart Rate: A Comprehensive Guide

Monitoring your sleeping heart rate is a window into your health and wellness. Understanding how your heart behaves while you rest can provide valuable insights into your overall cardiovascular health, sleep quality, and potential health concerns.

Heart Rate While Sleeping

Understanding your heart rate while sleeping is crucial as it provides insights into your overall cardiovascular health and the quality of your sleep. Here’s what you need to know:

  1. Typical Sleeping Heart Rate Patterns:

    • When you sleep, your heart rate typically slows down. This decrease is a part of the body’s natural circadian rhythm and restorative processes during sleep.
    • During the non-REM (Rapid Eye Movement) sleep stage, especially deep sleep, heart rate reaches its lowest point. This reduction in heart rate helps in conserving energy and facilitates physical restoration.
  2. Factors Influencing Sleeping Heart Rate:

    • Age and Fitness Levels: Generally, a healthy adult’s sleeping heart rate can range from 60 to 100 beats per minute (bpm), but athletes may experience rates as low as 40 bpm.
    • Stress and Emotional State: Psychological factors like stress or anxiety can prevent the heart rate from decreasing as much as it typically would during sleep.
  3. Monitoring Your Sleeping Heart Rate:

    • Using wearable technology like smartwatches or fitness trackers can help monitor your heart rate throughout the night. These devices provide valuable data that can be used to assess sleep quality and overall health.
    • It’s important to note that occasional variations in sleeping heart rate are normal, but consistent abnormalities can indicate health issues and should be discussed with a healthcare provider.

What Is Too Low of a Heart Rate While Sleeping?

Understanding the lower limits of heart rate during sleep is important:

What Is a Normal Sleeping Heart Rate by Age?

The normal sleeping heart rate can vary based on age. Here’s a brief overview of the typical heart rate ranges by age group:

  1. Newborns (0-1 month): Typically, the heart rate for newborns ranges from 107 to 148 beats per minute (bpm).

  2. Infants and Toddlers (1 month to 2 years):

    • For infants aged 0-3 months, the heart rate can range from 123 to 164 bpm.
    • As they grow older, the range shifts slightly, with 18-24 months old children having a heart rate of 98 to 135 bpm.
  3. Young Children (2 to 8 years):

    • Children aged 2-3 years have a heart rate ranging from 92 to 128 bpm.
    • For those aged 6-8 years, the range is 74 to 111 bpm.
  4. Older Children and Adolescents (9 to 18 years):

    • As children approach adolescence, the heart rate continues to decrease.
    • For example, 12-15-year-olds typically have a heart rate between 62 and 96 bpm.
  5. Adults (18 years and older): For adults, a sleeping heart rate of 40 to 50 bpm is considered normal, though this can be lower in athletes or physically active individuals.

  6. Seniors (65 years and older): Seniors may experience a slightly lower heart rate, usually around 50-60 bpm, but this can vary depending on individual health.

Why Is My Sleeping Heart Rate Higher Than Resting?

Experiencing a higher heart rate during sleep compared to your resting heart rate can be concerning. Here are some potential reasons:

  1. Stress and Anxiety: Emotional and psychological stress can elevate your heart rate. Stressful thoughts or anxiety can activate your body’s fight or flight response, leading to an increased heart rate even during sleep.

  2. Sleep Disorders: Conditions such as sleep apnea, where breathing repeatedly stops and starts during sleep, can cause heart rate spikes. These interruptions in breathing can lead to brief awakenings throughout the night, which may increase heart rate.

  3. Lifestyle Factors: Consuming alcohol or caffeine close to bedtime can elevate your heart rate. Similarly, heavy or rich meals before sleep can lead to an increased heart rate as your body works harder to digest the food.

  4. Medications: Certain medications, especially those that affect the cardiovascular or nervous system, can lead to an increased heart rate during sleep.

  5. Physical Health Conditions: Health issues such as fever, dehydration, or an overactive thyroid can result in a higher heart rate during sleep.

  6. Environmental Factors: A sleeping environment that is too warm or uncomfortable can lead to an increased heart rate. A supportive and comfortable mattress can help maintain a restful sleeping environment, potentially aiding in heart rate regulation.

For those experiencing elevated heart rates due to poor sleep quality, a Puffy Lux Mattress may help. Its design promotes comfortable and uninterrupted sleep, potentially aiding in heart rate regulation.

Interested in how Puffy stacks up against other brands? Check out our mattress comparisons: Puffy vs Purple, Puffy vs Nectar, Puffy vs Casper, Puffy vs Leesa, Puffy vs Saatva, Puffy vs DreamCloud, and Puffy vs Tuft and Needle.

What Is a Dangerous Heart Rate for a Child While Sleeping?

Monitoring a child’s heart rate while sleeping is essential for ensuring their health and well-being. Here’s what you need to know about dangerous heart rates for children during sleep:

  1. Understanding Normal Heart Rates for Children: Children’s heart rates vary significantly with age. Infants and younger children typically have higher heart rates than older children and adults. For instance, infants may have a normal sleeping heart rate of around 100 to 160 bpm, while older children may have rates closer to 70 to 100 bpm.

  2. Identifying Dangerous Heart Rates:

    • A heart rate that is significantly higher or lower than the normal range for a child’s age can be a cause for concern.
    • High Heart Rates: Rates substantially above the normal range might indicate fever, infection, or other health issues like respiratory distress or cardiac conditions.
    • Low Heart Rates: Conversely, an unusually low heart rate during sleep can be a sign of a heart block or a dysfunction in the heart’s electrical system.
  3. Factors Affecting Heart Rate in Children:

    • Factors such as illness, medications, and emotional stress can affect a child’s heart rate.
    • Environmental conditions, such as room temperature, can also influence heart rate during sleep.
  4. When to Seek Medical Attention: If you notice your child’s heart rate is consistently outside the normal range for their age, especially if accompanied by other symptoms like shortness of breath, fatigue, or fainting, it’s important to consult a pediatrician.

Check out Puffy mattress reviews from real customers and see how we compare with other brands.

How to Monitor Your Sleeping Heart Rate

Monitoring your sleeping heart rate can provide valuable insights into your overall health and sleep quality. Here’s how to do it effectively:

  1. Use of Wearable Technology:

    • Devices like smartwatches and fitness trackers are popular for monitoring heart rate throughout the night. These devices can track your heart rate variability and provide data on your sleep patterns.
    • Look for devices with continuous heart rate tracking for more accurate data.
  2. Smartphone Apps: Several smartphone apps are available that can track your sleeping heart rate using the phone’s sensors. While not as accurate as wearable devices, they can still offer useful insights.

  3. Smart Mattresses and Bedside Monitors: Some advanced mattresses come with built-in technology to monitor heart rate and other vital signs during sleep. Similarly, bedside monitors can track your heart rate by detecting movements or using other sensor technologies.

  4. Manual Checking: You can also manually check your pulse when you wake up. Count your pulse for 15 seconds and multiply by four to get your heart rate in bpm. However, this only gives you your heart rate upon waking and not throughout the night.

  5. Maintaining a Heart-Healthy Sleep Environment: Ensure a comfortable sleeping environment to promote stable heart rates. A high-quality mattress can offer the right support and comfort, potentially contributing to more stable heart rates during sleep.

Ensuring a comfortable sleeping environment with a Puffy Cloud Mattress can contribute to better sleep quality and potentially more regular heart rate patterns.

Use our store locator to find the closest furniture or mattress store near you and feel the cloudlike comfort of our Puffy Mattress in person.


Your sleeping heart rate is a vital indicator of your overall health. Understanding its norms and variations can help you make informed decisions about your health and lifestyle. Paying attention to your body’s signals during rest, combined with the right sleep environment can significantly enhance your health and well-being.


  1. “How Does Sleep Affect Your Heart Health?” - CDC

  2. “Sleep Disorders and Heart Health” - American Heart Association

  3. “What Is a Normal Sleeping Heart Rate?” - Sleep Foundation

  4. “How Sleep Works - Why Is Sleep Important?” - NHLBI, NIH

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