Sleep consists of two distinct states: REM (rapid eye movement) sleep and NREM (non-REM) sleep. Dreaming occurs mostly in REM sleep.
Sleep is a cyclic phenomenon, with four or five REM periods during the night, which accounts for about 25 percent of the total night’s sleep.
Examples Of Sleep...
Shortness of breath is when you feel you cannot get enough air. You may feel as if your breathing is forced, labored or that you are having... Read more »
If you're like many of us, you might look over today's dismal economic horizon and often feel as if there's no end in sight. Whether you're... Read more »
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I would like to continue answering some of your very interesting questions. As before, in the interests of brevity some of the... Read more »
Recap from Part One: For those living with an anxiety disorder, insomnia can be part of a vicious cycle. Anxiety can cause sleeping... Read more »
One sleep researcher thinks that oxygen deprivation may cause short-term memory loss in people with sleep apnea. A doctor from the University of Los... Read more »
Source: ADAM Encyclopedia
Causes of Short-Term and Transient InsomniaA reaction to change or stress is one of the most common causes of short-term and transient insomnia. This... Read more »
Source: ADAM Encyclopedia
A natural short sleeper is someone who sleeps a lot less in a 24-hour period than is expected for people of the same age, without being abnormally... Read more »
Source: HealthCentral Encyclopedia
Anxiety disorders serious medical illnesses that involve intense feelings of fear, anxiety, worry or apprehension often associated with specific... Read more »
Antidepressants are often prescribed to help patients with anxiety. As with all medications, antidepressants have certain side effects people should... Read more »