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When we sleep, our bodyand mind are resting, which means that sleeping is necessary to recharge batteries forthe next day. During sleep, our movements are not intense, we are completely relaxedand our metabolism is slower. Scientist differ 5 phases of sleep ant the firstphase lasts from 5 to 10 minutes. In this stage, small disturbances can awake us andour body muscles become slower and more relaxed. The second phase ischaracterized by lower body temperature, regular heartbeats and breathing. In thenext two stages, we sleep deeply and we are hard to wake up. Even if someoneawakes us we can’t function normally immediately after sleep.

Is sleeping important?

Some people say thatsleeping is a waste of time and that is definitely not true. We need to sleepbecause it is very healthy for our body and mind. Even tough we are usually ina hurry and have many daily tasks, we have to find time to rest. Our brain hasto be rested so that we could perform our obligations easily. Those individualswho don’t sleep enough usually end up with sleeping disorders and even psychiatricconditions.

Age is the firstfactor that determines how much sleep we need. We all know that babies need tosleep long, for about 15 to 16 hours per day. When it comes to teenagers andadolescents, 8 to 9 hours of sleep is enough, while adults sleep 7 to 8 hours.Since we are all different, we all have different sleeping habits. Someone’sbody needs 8 hours and someone else’s needs 9 hours of sleep.

What can affect ournight sleep?

One of the factorsthat can affect negatively our sleep is environment. If we sleep in a roomthat is very cold or hot, very bright or noisy, we can experience difficultyto fall asleep. There are other disturbances such as kids constantly waking youup, or a partner's snoring all the time. If your sleep is disturbed by any ofthese things, you should do something so that your sleeping time remains intact. Sometimes, some illnesscan disturb our sleeping, so if you have any problems or if you are in any kindof pain, consult your doctor. This goes for some emotional or mentaldisturbances, since experiencing great stress can cause sleeping problems.

Without a proper sleep you will most likely become tenser, easy to get angry and irritable. That willaffect your work, or any other activity you do. You will become less efficientin what ever you do. Lack of sleep can even cause some serious disorders.

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