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Sleep Disorder Specialists Crofton MD

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

Gail Yvonne Bozzella
(410) 991-6805
Bowie, MD
Membership Organizations
American Holistic Health Association (AHHA)

Data Provided By:
Sydney Vallentyne
(301) 262-5303
7711 Hillmeade Rd.
Bowie, MD
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

Data Provided By:
William Mussenden
(301) 262-5303
7711 Hill Meade Rd.
Bowie, MD
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

Data Provided By:
Pamela Reynolds
(301) 345-1978
7301-A Hanover Parkway
Greenbelt, MD
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

Data Provided By:
Romunda Ings
(202) 498-5339
9131 Central Ave.
Capital Heights, MD
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

Data Provided By:
Beverly Bell
(301) 805-8805
6786 Race track Rd.
Bowie, MD
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

Data Provided By:
Carl DeVonish
(240) 375-7614
2803 Eliston St.
Bowie, MD
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

Data Provided By:
Tangene Sumlin
(301) 262-5303
7711 Hillmeade Rd.
Bowie, MD
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

Data Provided By:
Elivira DiLibero
(301) 675-3997
Laurel, MD
Membership Organizations
American Holistic Health Association (AHHA)

Data Provided By:
Diane Johnson
(301) 702-8555
9500 Pennsylvania Ave.+ Suite 12
Upper Marlboro, MD
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

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The Different Stages of Sleep

 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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