Overview of Sleep Ritu G. Grewal, MD. Key to Evaluation of Sleep Problems . Sleep Physiology Factors that impact on sleep Sleep History Polysomnogram. Defining Sleep.
Movement frequent, infrequent, inhibited
Thought logical & logical & not illogical,
remembered remembered not remembered
Eyes open,moving closed, slow closed,
or not moving rapidly
EEG desynch synch desynch
EOG present slow or rapid
(eye movements) absent
EMG present decreased inhibited
Prior sleep deprivation / fragmentation
were officially attributed to
errors in judgement induced by
sleepiness or fatigue.