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(281) 358-9974

24020 Highway 59 North
Kingwood, Texas 77339



What is Sleep?

 

Sleep is a mental and physical state of rest, during which time the person is usually inactive. Sleep is usually accompanied by a decrease in body temperature, blood pressure, respiration rate, and most bodily functions.  However, one’s brain remains active during sleep.  In fact, tasks such as storing of short-term memory material into long-term memory and replenishment of neurochemicals occur during sleep.


Structure of Normal Sleep

 

There are two distinct types of sleep:

1. Rapid Eye Movement (REM) sleep (also known as dreaming sleep)

2. Non-REM (NREM) sleep.

 

Sleep is composed of 5 stages.


Stages I-IV are known as NREM sleep (with stages III & IV being deep sleep.

Stage V is REM sleep.

Humans generally alternate between REM and NREM in 90-110 minute cycles.  Once asleep, we move into stage I, and then we cycle through stages II – IV in roughly 30 -40 minutes.  We cycle back briefly through stage III & II, then to stage 5 (REM).  This process normally occurs 4-5 times per night.

 



Common Signs & Symptoms


Type of Sleep Disorders


Health Concerns and Sleep


Sleep Deprivation


Sleep Hygiene Rules




Links to More Information

www.sleepfoundation.com

www.webmd.com

 




How much sleep does one need?


  AGE   Sleep Needed
  Avg. Per Day
  Infants   Up to 18 Hours
  1-12 Mths   14-18 Hours
  1-3 Years   12-15 Hours
  3-5 Years   11-15 Hours
  5-12 Years   9-11 Hours
  Teens   9-10 Hours
  Adults   7-8 Hours
  Pregant Women   Varies

 





Take a Quiz to help determine if you have a Sleep Problem.

 


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(281) 358-9974



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