Sleep disorders because of the lack of daylight

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Deficiency in daylight leads to sleep disorders

Many people sleep particularly poorly in the winter months. A lack of daylight and exercise is often the cause of these sleep problems, reports the German Green Cross (DGK) in a current press release. Those affected are tired all day and still cannot sleep properly at night. A daily walk in the fresh air can help here, according to the DGK in Marburg.

According to the DGK, "in winter, many people are practically only in rooms", which deprives the organism of the "natural timer". Because daylight has a significant influence on the release of the hormone melatonin, which in turn controls the sleep-wake rhythm. Without real daylight, the level of the “sleep hormone” remains elevated even during the day, reports the DGK. "And if you don't really wake up with fresh air and exercise, you can't sleep well at night," the DGK announcement continued.

Walking for sleep disorders While the dark and cold season in nature is a resting phase for most living beings and several small mammals sleep almost all winter, according to the DGK report, many people have to struggle with sleep disorders, especially in the winter months. The reasons are lack of movement and the deprivation of light. This "makes it difficult for our body to coordinate the day and night rhythm." As a countermeasure, regular walking, even in wet and cold weather, is recommended. This would kill two birds with one stone. The body receives enough daylight and movement at the same time. “Both the movement and the daylight result in an increased distribution of the Feel-good hormones Serotonin, and an inhibition of melatonin, ”reports the DGK. This would make those affected “really awake during the day and really tired in the evening if it goes well.”

Daylight even on cloudy days with sufficient illuminance Compared to artificial light, daylight "even on cloudy winter days" offers a significantly higher illuminance, according to the DGK announcement. This is "at least ten times the amount of light you have in closed rooms" (around 3,000 lux compared to 300 lux). Enough light to stimulate the production of serotonin, which puts the body in “day mode”. The body can therefore coordinate the sleep-wake rhythm better. Lowering the temperature in the bedroom or turning down the heating and opening the window for a few minutes shortly before bed also shows a positive effect. So "nothing should stand in the way of a good night's sleep," reports the DGK. (fp)

Author and source information

Video: A Bad Nights Sleep: Sleep Disorders


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