Colin Snow
There are several reasons why humans sleep better with blankets. Firstly, blankets help regulate body temperature, which is crucial for sleep quality. During sleep, our core body temperature drops, and we enter the REM stage of sleep, during which our bodies struggle to maintain their temperature. Blankets provide warmth, especially in the early morning hours when temperatures are coolest. Additionally, blankets create a microclimate that buffers against significant changes in ambient temperature, promoting uninterrupted sleep. Furthermore, the weight and pressure of blankets can have a calming effect, reducing stress and anxiety. The use of weighted blankets, in particular, has been linked to increased serotonin production, which aids in sleep regulation. Finally, there is a behavioural aspect to blanket usage. We are often conditioned from childhood to associate blankets with sleep, and this association can trigger a sleep response even in adulthood.
| Characteristics | Values |
|---|---|
| Temperature regulation | Blankets help maintain a comfortable body temperature during sleep, especially during the REM stage when the body cannot regulate its temperature. |
| Sleep quality | Blankets improve sleep quality by keeping the body warm and comfortable. |
| Circadian rhythm | Blankets aid in syncing the internal body clock or circadian rhythm. |
| Stress and anxiety reduction | Weighted blankets, in particular, have been found to reduce stress and anxiety by stimulating serotonin production and relaxing the nervous system. |
| Comfort and security | Blankets provide a sense of comfort and security, creating a "microclimate" that shields from ambient temperature changes and physical barriers. |
| Behavioural conditioning | Using blankets for sleep may be a result of behavioural conditioning since childhood, when we were swaddled or tucked into bed by our parents. |
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What You'll Learn
- Blankets help regulate body temperature during sleep
- They create a microclimate, minimising the impact of ambient temperature changes
- Blankets can reduce stress and anxiety
- They can trigger a sleep response, as we're conditioned to associate them with bedtime
- Blankets provide a physical barrier, making us feel safe and secure
Blankets help regulate body temperature during sleep
The human body's core temperature drops before and during sleep. This is a key part of what regulates the circadian rhythm that determines when the body is ready to sleep and when it's time to wake up. This cool-down begins about an hour before hitting the bed and continues to drop while asleep, eventually reaching one or two degrees below average body temperature.
During the REM sleep cycle, the body loses its ability to regulate its temperature. Blankets are there to keep us warm, even on a summer night. They create a 'microclimate' around the skin that is usually warmer than the surrounding environment. This microclimate traps the heat that escapes from the body at night, keeping the body warm.
Research has shown that decreasing the shell temperature by 0.4°C led to significant decreases in early waking/waking during the night, and more time was spent in deep sleep. Blankets also help in falling asleep as warming the skin before sleep aids in falling asleep.
Significant changes in ambient temperature while sleeping can be disruptive, and a blanket creates a microclimate that varies less with ambient temperature changes. This helps the body maintain its temperature and get a good night's rest.
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They create a microclimate, minimising the impact of ambient temperature changes
The human body's core temperature drops before and during sleep. Our body temperature varies over a 24-hour period, and we lose a lot of heat during normal sleeping hours. During the REM sleep cycle, our bodies lose the ability to regulate their temperature. This is usually in the early hours of the morning when the temperature is coolest. Therefore, we need blankets to keep us warm.
Blankets create a microclimate around the skin that is usually warmer than the surrounding environment. They trap the heat that escapes from our bodies at night, keeping us warm. This microclimate also minimises the impact of ambient temperature changes. Significant changes in temperature while we sleep can be disruptive, and a blanket can help to mitigate this.
The physical sensation of being under a blanket is also linked to sleep. Being under a blanket can trigger a sleep response in the brain and body. This is likely due to behavioural conditioning since childhood when we are swaddled to prevent us from moving in the night.
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Blankets can reduce stress and anxiety
The use of blankets while sleeping has been linked to reduced stress and anxiety levels, with weighted blankets being particularly effective in this regard. This is due to the gentle pressure provided by weighted blankets, which stimulates the production of serotonin in the body. Serotonin is a neurotransmitter that plays a crucial role in regulating sleep, mood, and anxiety. By increasing serotonin levels, weighted blankets can promote a sense of calm and relaxation, making it easier to fall asleep and improving overall sleep quality.
Research supports the use of weighted blankets as a natural treatment for anxiety and insomnia. A 2015 study published in the Journal of Sleep Medicine & Disorders found that participants with chronic insomnia who slept under a weighted blanket reported having a calmer night's sleep. Additionally, a 2020 review of research published in the American Journal of Occupational Therapy suggested that people with anxiety may benefit from using weighted blankets. The pressure provided by these blankets can create a soothing sensation, similar to receiving a comforting hug or being swaddled as a baby.
The use of weighted blankets is based on the concept of deep pressure touch stimulation (DPTS), a drug-free therapy that promotes natural relaxation. DPTS works by applying gentle pressure to the body, which stimulates the release of serotonin and relaxes the nervous system. This can lead to improved sleep quality and a reduction in anxiety and stress levels. The weight and even distribution of weight in weighted blankets are important factors in achieving these benefits.
The comfort and security provided by blankets, especially weighted blankets, can create a sense of safety and improve overall sleep quality. The weight and softness of the blanket provide a physical barrier that not only keeps us warm but also makes us feel protected and secure. This sense of security can be especially beneficial for those struggling with anxiety or insomnia, helping to calm and relax the body and mind, preparing it for sleep.
In summary, blankets, and particularly weighted blankets, can be effective tools for reducing stress and anxiety. By stimulating serotonin production, creating a sense of comfort and security, and promoting better sleep, blankets play an important role in supporting our mental health and well-being.
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They can trigger a sleep response, as we're conditioned to associate them with bedtime
The use of blankets while sleeping is influenced by both physiological and behavioural factors. Behaviourally, the use of blankets may be attributed to conditioning since birth. We've been conditioned to use blankets since we were babies, as our parents tucked us in, leading us to associate sleep with being bundled under the covers. This association is so strong that simply being under a blanket can trigger a sleep response.
The physical sensation of a blanket gets paired with sleep in our brains. This is because, as our bodies cool down before and during sleep, blankets help maintain our body temperature, making us feel more comfortable and relaxed. This temperature regulation is especially important during the REM sleep cycle when our bodies lose the ability to regulate their temperature.
Additionally, the weight and pressure of a blanket can stimulate serotonin production, which helps modulate sleep regulation. This is why weighted blankets are often recommended for people with insomnia and anxiety. The serotonin release, coupled with the nervous system relaxation that comes from using a weighted blanket, can lead to a calmer and more restful night's sleep.
The use of blankets, therefore, goes beyond just physical warmth. The sensation of being covered and secure can trigger a sleep response as we've been conditioned to associate blankets with bedtime since childhood.
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Blankets provide a physical barrier, making us feel safe and secure
The use of blankets while sleeping is a relatively new phenomenon, historically reserved for the wealthy. However, their presence in modern life has become almost universal, with most people using some form of bedding, even in hot climates.
The weight and pressure of a blanket can also have a calming effect on the nervous system. Weighted blankets, for example, have been found to reduce anxiety and stress by stimulating serotonin production. This can lead to improved sleep quality and a sense of security, further enhancing the feeling of being protected by a physical barrier.
Additionally, the use of blankets can be linked to our childhood experiences of being swaddled or tucked in by our parents. This association between blankets and sleep may be a result of behavioural conditioning, where the physical sensation of being under a blanket primes our brain and body for sleep.
The presence of a blanket can also create a microclimate, regulating our body temperature during sleep. This stable environment can further enhance our sense of security and comfort, knowing that our body temperature will remain relatively constant throughout the night.
Overall, blankets provide a physical barrier that makes us feel safe and secure, contributing to a better night's sleep.
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Frequently asked questions
Our body's internal temperature begins to cool down before we go to bed and during sleep, so blankets are needed to keep us warm.
Blankets aid in regulating our body's circadian rhythm or internal body clock. They also help us fall asleep faster by warming our skin.
Yes, studies have shown that weighted blankets can reduce anxiety and stress by stimulating serotonin production.
Yes, our body's core temperature drops before and during sleep, so we need blankets to stop us from shivering.
It is likely a combination of both. While using blankets may be behavioural conditioning that we picked up from our parents, our body's thermoregulation during sleep is a biological factor that contributes to our need for blankets.
