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Sleep Disorder Specialists Oak Harbor WA

Looking for Sleep Disorder Specialists in Oak Harbor? We have compiled a list of businesses and services around Oak Harbor that should help you with your search. We hope this page helps you find Sleep Disorder Specialists in Oak Harbor.

Jayne De Felice
(360) 336-5220
303 Vera St.
Mt. Vernon, WA
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

Data Provided By:
Cascade Massage Therapy
(360) 675-8730
830 Southeast Bayshore Drive Suite 201
Oak Harbor, WA
Familycare Physical Therapy
(360) 279-1445
275 Southeast Cabot Drive
Oak Harbor, WA
Albertson's Store No 402 - Pharmacy
(360) 279-8829
1450 Southwest Erie Street
Oak Harbor, WA
(360) 466-1073
710 South 1 Street Street
Louisiana Conner, WA
Erika Lac
(360) 279-0932
Bayshore Drive
Oak Harbor, WA
Eliasen Annetta LMP
(360) 675-6285
495 Southeast Maylor Street Suite 2
Oak Harbor, WA
Bestwater Purification Systems
(360) 675-4524
1273 Silver Lake Road
Oak Harbor, WA
Bayshore Chiropractic
(360) 675-1066
840 Southeast Bayshore Drive Suite 101
Oak Harbor, WA
Bloom's Camano Pharmacy
(360) 387-5757
370 Northeast Camano Drive Ste 6
Camano Island, WA
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The Different Stages of Sleep


In 1952, sleep-researcher Nathaniel Kleitman discovered that although sleepers tended to have slow, rolling eye movements beneath their lids as they fell asleep, during some portions of their sleep their eyes darted rapidly in a highly coordinated way, moving more quickly and sharply than they could while they were awake. He dubbed the phenomenon rapid eye movement (REM), a phase of sleep that was later related to dreaming.

Later researchers using electroencephalogram (EEG) that measures the electrical activity in the brain discovered that the REM stage of sleep is different from non-REM (NREM) sleep.

Sleep occurs in a series of cycles, each lasting between sixty and ninety minutes. A normal sleep pattern involves four to seven such cycles during the course of the night. On average, people have five or six sleep cycles during a normal nighttime sleep session.

Each cycle has two main parts. 

During the first part, our level of consciousness falls while the level of unconsciousness rises. This part of the cycle involves changes in heart rate and breathing, and an overall slowing of brain activity. We do not dream during this phase. 

In the second part of the cycle, however, we do dream. The characteristic sign of this phase of sleep is rapid eye movement, or REM.

Generally, each ninety-minute sleep cycle contains a non- REM period (or slow-wave sleep) and the REM period. On average, each of these two main periods occupies about 50 percent of the cycle's elapsed time, or about forty-five minutes. However, the balance between the two periods shifts during the course of the night. During the first ninety-minute cycle, the REM phase might last only a few minutes. In the final cycle of the night, REM sleep occupies most of the time, perhaps an hour or more.

Non-REM sleep actually consists of four distinct substages, labeled 1 through 4. The stages are defined according to the ...

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