The heavier the blanket, the better the sleep
Researchers from Sweden have discovered that the weight of the blanket is the secret to a good night’s sleep, the heavier the blanket, the better the sleep.
By using a blanket weighing 6-8kg for sleep, in just one month, the effective improvement rate of sleep disorders for participants can reach 59.4% and the completely reduced rate is as high as 42.2%, significantly improving sleep quality.
Not only that, within one year, it can cure most insomniacs and reduce symptoms of depression and anxiety.
In fact, the use of thick blankets to treat conditions such as insomnia and anxiety has become an important part of professional treatment. But why is this happening?
Recently, a study led by the Swedish Brain Research Foundation explained one of the reasons why thick cotton blankets improve sleep – the heavier the cotton blanket, the more melatonin it releases before going to sleep, resulting in a naturally better sleep. The study was published in the Journal of Sleep Research.
Melatonin, a hormone produced by the pineal gland in the brain, plays an important role in sleep. Melatonin is known to be effective in promoting sleep and reducing anxiety. The heavier the blanket, the more melatonin the brain releases, so you sleep better.
Why does sleeping under a heavy blanket result in better sleep?
Researchers believe that the pressure exerted by a heavy blanket activates sensory nerve fibers on the skin and transmits this sensation to the solitary nucleus (NTS) in the brainstem through the spinal cord.
After receiving the stress signal, neurons in the solitary nucleus continue to project it to the paraventricular nucleus (PVH) in the lower hilus region. Those who understand the relationship between sleep and stress are likely familiar with the PVH nucleus.
The PVH nucleus is a brain region containing small oxytocin neurons. By stimulating this region, humans can enhance inner peace and happiness. Reduce feelings of fear, stress, and pain.
Illustration
In addition, these neurons are also connected to the pineal gland, thereby affecting the release of melatonin.
In summary, this study is the first to demonstrate that using a thick blanket weighing about 7kg effectively increases the release of melatonin before sleep, thereby improving sleep quality.
In other words, if you can’t sleep well in winter, try to find a thick blanket.
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