Naps with stages spark learning.(Behavior)

Science News;  August 9, 2003 ;     234 words ......as much after taking a 90-minute nap that contained both sleep stages as had previously been observed for people granted a full...tested that evening, the 30 nappers who had displayed both sleep stages--as determined by brain wave measurements--required less...

New York Inventor Develops Sleep Guidance System

US Fed News Service, Including US State News;  February 23, 2007 ;     322 words ......characteristic monitor for monitoring the sleep stages of a sleeper, a sensory stimulus generator for generating stimulus to affect the sleep stages of a sleeper, and a processor for determining...sleeper may be guided through the various sleep stages in an optimal pattern so that ...

ALTERATIONS OF CENTRAL CARDIAC CONTROL DURING SLEEP IN AGING MALES

Aging Male;  March 1, 2004 ;     263 words ......the time domain and the frequency domain during different sleep stages (REM sleep, sleep stage II, slow wave sleep). Age-dependence...sympathetic tone with increasing age, independent of the sleep stages. [Author Affiliation] K. Mann, J. Pankok Department of Psychiatry...

Scary Sleep

Telegraph - Herald (Dubuque);  December 3, 2007 ;     505 words ......movement and muscle activity characterize sleep stages 3 and 4, called "deep sleep." "Night...directions. As night progresses, the REM sleep stages increase in length while deep sleep...second and REM stages. Just as the sleep stages are normal, so are nightmares. However...

Diurnal rhythms of pinealocyte ultrastructure, pineal serotonin content...

Folia Histochemica et Cytobiologica;  January 1, 2004 ;     700+ words ......ultrastructure, pineal serotonin content and plasma melatonin concentration in the domestic pig...rhythm with the maximum at 1400. The plasma melatonin concentration was significantly higher...concerning: (1) diurnal patterns of plasma melatonin level, (2) mechanisms of adrenergic...

Power-Napping-Enabler combats operator fatigue. (Technology Trends).

Transport Technology Today;  October 1, 2002 ;     124 words ......Power-Napping-Enabler to help combat operator fatigue. According to JETLOG, the technology properly times power naps according to efficient sleep stages for fatigue recovery, and prevents deep or REM sleep, thus eliminating the post-nap effects such as grogginess, disorientation...

Approximate Entropy in the Electroencephalogram During Wake and Sleep

Clinical EEG and Neuroscience;  January 1, 2005 ;     700+ words ......measurement can be useful to estimate sleep stages and the complexity in brain activity...signals during eyes-closed awake and five sleep stages (Stage I, Stage II, Stage III, Stage...the assessment of any difference among sleep stages. Scheffe's test (StatFlex, ViewFlex...

Sleepless subjects.

Journal-World (Lawrence, Kansas);  May 22, 2007 ;     241 words ......Kansas City, Kan., are monitoring three patients. It takes about 45 minutes to hook up each subject to monitors that track sleep stages, airflow, respiration, snoring and oxygen saturation. They also are tracking events, or times when a patient stops breathing...

Ask the sleep doc. (anti-tired tactics).(fatigue)(Brief Article)

Redbook;  July 1, 2003 ;     217 words ......if you're a younger, healthy woman), When most people think of narcolepsy, a syndrome in which one experiences the normal sleep stages out of sequence, they picture someone falling asleep midsentence. Not all narcoleptics, however, nod off on a dime--there...

Visual Assessment of Selected High Amplitude Frontopolar Slow Waves of...

Clinical EEG and Neuroscience;  July 1, 2004 ;     700+ words ......quality. The definitions of the five sleep stages are based on the stage classification...Rechtschaffen and Anthony Kales in 1968.2 Sleep stages are characterized by a specific set...analysis. Recordings were classified into sleep stages by the standard scoring method in epochs...

Representation of Self in SWS and REM Dreams

Sleep and Hypnosis;  April 1, 2005 ;     700+ words ......generation could be the same in the different sleep stages. In fact, from the comparisons between...hallucination of Self which differs across sleep stages, not only the rate. The interest in...physiological systems among diverse sleep stages could explain some qualitative ...

High Frequency EEG Activity During Sleep: Characteristics in Schizophrenia...

Clinical EEG and Neuroscience;  January 1, 2005 ;     700+ words ......greater high frequency (HF) power than healthy controls (HC) in all sleep stages (p<0.0001). SZs also exhibited significantly greater HF power than MDD patients in all sleep stages except wakefulness (W) (p<0.05). In all groups, gamma (35...

International news

Pharmaceutical Representative;  May 1, 1999 ;     313 words ......seven and 14 capsules. In clinical trials, the drug was shown to help individuals fall asleep while preserving the natural sleep stages, including rapid eye movement. Chinese pharmaceutical directory. The State Pharmaceutical Administration of China published...

The graveyard shift

The Malay Mail;  September 12, 2006 ;     543 words ......people need eight hours of sleep a day to feel rested. Parts of the night's sleep are spent in light sleep stages and the other in deep sleep stages. The deep sleep portion is the most important time of the sleep process where you nourish and restore...

Nightmares.

American Family Physician;  March 1, 1989 ;     700+ words ......response to stress. Dreams occur during various sleep stages, including sleep onset (stage 2), delta wave sleep (stages 3 and 4) and rapid eye movement (REM) sleep. Dreams differ in the various sleep stages, with each stage having dreams characterized...