“I love sleep. My life has the tendency to fall apart when I’m awake,you know?” Ernest Hemingway
http://getraenke-doeden.de/tyuie/820 There are three basic stages of consciousness-wakefulness,N REM sleep and REM sleep. There is a profound difference in brainwave patterns during these states.
Brain Wave Patterns
follow url We have these waves when we are awake. These have highest frequency and lowest amplitude. They vary throughout the day.
follow link These waves mark the state when we are awake and relaxed for example during meditation. They are slow, have less amplitude and are less variable. This the most peaceful state.
Tastylia Uk They show in N1 and N2 stages of N REM sleep. They are slower than alpha. When we are falling asleep theta waves are detected.
click here They show during N3 stage N REM cycle. They are slowest with highest amplitude. This is the period of deepest sleep.
get link Low voltage random fast waves show in REM cycle.
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http://docimages.fi/?dereter=60sekunden-strategie&ff6=c0 It is marked by intense brain activity. Brain waves are fast and random. Breathing is fast irregular and shallow. Eyes move fast in various directions.Limb muscles become temporarily paralysed. In this stage most dreams occur. It follows the N REM sleep.
N REM Cycle
go here It is characterised by reduction in physiological activities. Brain waves become slow and gain amplitude. Breathing and heart rate become slow. Blood pressure drops. It has three stages.
free online dating in melbourne It is a time of drowsiness. Brainwaves and muscle activity slow down.
click here This is a period of light sleep. No eye movements and brain waves become slow , muscles tone and relax. Heart rate is slow and body temperature decreases.
It is marked by presence of delta waves, no eye movement and decreased muscle activity. It is very difficult to wake up a person during this stage.
best website to buy cialis Apart from brain waves there are other changes that make study of sleep exciting and interesting. They are listed below:
best place to buy viagra online Awareness is reduced. We do not use our senses actively. But awareness can be brought back easily. Thus we conserve energy while we sleep.It is a period of rest for brain and body. Healing takes place, new cells are formed,muscles and bones develop.During sickness or physical hurt we recuperate by sleeping longer periods of time.
It is slightly reduced during N REM cycle. During REM cycle body temperature falls to its lowest.
Breathing is irregular when we are awake, but in N REM cycle breathing rate drops and becomes very regular.In REM cycle breathing rate changes and increases overall.
Sleep gives heart a chance to rest, heart rate drops.
Kidney function slows and production of urine decreases. There is increase in the release of growth hormones.
Cell repair and growth are highest.
These are the least understood and mysterious feature. Dreams follow illogical and random sequences. Scientists say that dreams are the result of random activity of brain.
Getting more and high quality sleep can improve our health and well being.
” It is a common experience that a problem difficult at night is resolved in the morning after the committee of sleep has worked on it.” John Steinbeck.