28/03/15
Marc Werner Hasse Cornelia
SUMMER TIMEWhat is the time change for our body
On the night of Sunday, the clocks go forward one hour for daylight saving time. As long as the body needs for the conversion?
Hamburg. Slowly fades the cold, the country lolls awake. The trees budding, blooming crocuses, bumblebees warm themselves in the sun - in short: Spring is coming. But it can not all enjoy: Many people feel initially not cheerful.
This begins with the time change in the early hours of Sunday: At 2 Clock Germany clocks go forward one hour. The night is thus one hour shorter. As a result of the natural sleep-wake cycle can be disrupted, says Prof. Jürgen Zulley, sleep researcher at the University of Regensburg. "Our internal clock would actually like that we get up later and later go to bed -. When daylight savings time, however, the opposite is true" On deep sleep, which takes place in the first five hours of the night, the missing hour change anything, but it influences the light sleep and dream sleep at the end of the night. Pulse and blood pressure were still low, the brain still pour sleep hormones from the "stimulant" cortisol - a stress hormone - is barely active.
Particularly frequently complained the 45 to 59 year-olds impairments
No wonder that many people are not good to talk to the Daylight Saving Time: In a recent survey, commissioned by the DAK recently said 73 percent of respondents indicated that they consider the time difference to be superfluous and are that they will be abolished. Thus the number of opponents increased compared to 2013 by four percentage points. 27 percent of respondents said that they had problems with the time change once already. The met more women (32 percent) than men (23 percent). Particularly frequently complained the 45 to 59 year-olds impairments (36 percent). Of those who had problems with the time change, many felt tired or listless (75 percent) and were falling asleep or sleeping (62 percent). 36 percent were able to concentrate worse is the results show that while 31 percent felt irritated. "This feels like a mini jet lag," says sleep researcher Zulley.
Time conversion in the night to Sunday
Video: Hamburg 1
What to do? Zulley recommends that you prepared in good time to the time change. It would be useful to have on Saturday to get up half an hour earlier, the meals brought forward by half an hour and evening to go a half hour early to bed. "The body is ever in the summer-time rhythm." On Sunday you should get up, eat and sleep bring forward another half hour, advises Zulley. So one hour was already caught up on Monday morning.Can we treat nap about? On Sunday it would be better to do without a nap, because that makes it difficult to sleep the previous evening, and it was Monday morning more tired. Also on Monday you should if possible to do without a nap, advises Zulley. Then the body can more easily adjust to the new time.
What else can help me with the time change? "Very important: Do not get mad," says Zulley. You should be aware that the fatigue is only temporary. In general, the internal clock need one to two days to adjust. Although this is early in the morning a bit nasty: "All light turn on, what is there," advises Zulley.Because light does it take to be awake. Also, turn on music help when you wake up - and make time change despite good mood.
The spring fatigue can be very stressful
With the time change has nothing to do another phenomenon: spring fever. The people affected feel weak and exhausted, are irritable and less powerful. However, now they have to fight usually considerably longer than just a few days.
Although this condition can be very stressful. But a disease in the medical sense it is not. "We speak of a mood disorder," says Dr. Jörg Putensen, a sleep specialist and senior physician at the Medical Clinic in Agaplesion Diakonia Hospital Hamburg. "You can not measure or prove by scientific studies, but rather is based on a kind of medical experience."
Particularly vulnerable to the spring fatigue are people who are prone to low blood pressure, and those that are particularly sensitive to stress and frequently suffer from other health disorders such as insomnia or irritability.
Even if it is not a disease: medical explanations there for ever.In particular, the hormones seem to play an important role, particularly serotonin. This stimulating, euphoric substance is affectionately referred to as the hormone of happiness and increasingly formed under the influence of light in our body."One consideration is that our serotonin stores are depleted in the long dark winter months, so they are empty at the beginning of spring. Then, the memory need in the sun of spring again until a certain time to fill," says Putensen. Another hormone, however, the sleep hormone melatonin was formed during the dark winter days in excess, so that you feel tired and exhausted.
Another model of explanation: ".. With rising temperatures in the spring, the blood vessels as many people who suffer from low blood pressure broaden As a result, blood pressure drops You feel tired and exhausted," said Putensen.
Fatigue that lasts longer, you should check whether they at the doctor
Usually the spring fatigue begins in mid-March and can then stop between two and four weeks. However, one should not dismiss any exhaustion as spring fatigue you. "If it occurs during this time, it is often interpreted as spring fatigue - and possibly misinterpreted," says Putensen. "Because it can be behind even diseases that are associated with fatigue. These include diseases such as anemia, infections, depression, or an underactive thyroid. But the sleep apnea, the pathological snoring with nocturnal apnea, which typically associated with daytime sleepiness and is not seasonal. " Putensen recommends therefore, any fatigue that lasts longer than two to four weeks and there on the first day of spring addition to the family doctor can clarify.
Should it really be just a spring fatigue, advises Putensen to crawl under any circumstances in the home, but as much as possible to get some fresh air. "Even if the sky is overcast, you still get outside more brightness than in the lit living room." It, if you then combines outdoor living even with regular exercise is best. Ideal are endurance sports such as long walks, jogging, cycling or playing tennis. The right diet can help you to feel fitter and more to start with new energy in the spring: light diet with lots of fresh fruits and vegetables.
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