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Sleep Disorder Specialists Fremont CA

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

Josefa Levesque
(510) 582-7200
1349 A. Street+ Suite A
Hayward, CA
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

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Carolyn Fredericks
(203) 807-0401
300 Pasteur Drive
Stanford, CA
Membership Organizations
American Holistic Medical Association (AHMA)

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Amy Saltzman
(650) 575-5780
885 Oak Grove Avenue+ #212
Menlo Park, CA
Membership Organizations
American Holistic Medical Association (AHMA)

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Jenny Sill-Holeman
(650) 369-6215
Redwood City, CA
Membership Organizations
American Holistic Health Association (AHHA)

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Irina Martin
(650) 274-2206
1622 D. San Carlos Ave.
San Carlos, CA
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

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Tim Custis
(408) 736-5136
Sunnyvale, CA
Membership Organizations
American Holistic Health Association (AHHA)

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Coralyn Vega
(408) 493-0735
San Jose, CA
Membership Organizations
American Holistic Health Association (AHHA)

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Mercedes Schlegel
(650) 559-8819
2055 Grant Rd.+ #100
Los Altos, CA
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

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Joyce Schlegel
(650) 559-8819
2055 Grant Rd. #100
Los Altos, CA
Membership Organizations
International Association for Colon Hydrotherapy (IACT)

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Julie Chen
(408) 295-8628
2101 Forest Avenue+ Suite 220A
San Jose, CA
Membership Organizations
American Holistic Medical Association (AHMA)

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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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