Deep sleep is very important for your physical and mental recovery and health. During this deep sleep the chance that you wake up spontaneously is only small and you will be difficult to wake. This stage is also referred to as 'deep sleep'. At his point your brain activity reaches its lowest point. Deep sleep: After about 20 minutes your body and brain become extremely relaxed.Then your heart rate slows down and your body temperature drops. When you get to this phase for the first time, your thoughts slowly subside and your muscles start to relax. You only go through this stage a few times every night. Light sleep: he first stage of sleep is light and short.Within each cycle of about 1.5 hours, you go through the following 3 phases:
On average we wake up about seven to ten times every night, usually without being aware of it. Sleep itself consists of several cycles After each cycle there is a transition stage, during which we wake up momentarily. That is why adequate ventilation of your bedroom, mattress and bed is important. To make this happen our body releases water (transpiration) which evaporates on the skin. When we fall asleep our body temperature decreases. A distinctive characteristic is that quick eye movements switch to slow, rolling movements. We slowly become less aware of our surroundings. It is how your body tells you, after a period of mental and physical activity, that it needs rest. Yawning, burning and heavy eyelids - these are clear symptoms that you are getting tired. The entire sleep process, from going to bed to getting up, can be divided in four phases:
Sleep is a complex process in the brain which is affected by lots of internal and external factors.
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