Title 1300_22Mar25_Melehan K_Less commonly discussed aspects of sleep and sleep disorders.pdf ✅

1. Sleep Phenomena
The University of Sydney Page 4 Difference between a rapid eye movement (REM) and a slow eye movement (SEM) – REM = Initial eye movement is “usually” <0.5 sec (irregular, sharply peaked) – SEM = Initial eye movement is “usually” >0.5 sec (usually regular, sinusoidal)