PSYC 3P68 Lecture Notes - Lecture 7: Melatonin, Maladaptation, Hypertension
13 Jan 2018
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Understand problems associated with sleepiness, shiftwork and other disorders of. Describe features of various circadian rhythm disorders. Explain the nine switches of human alertness. Measuring sleepiness: subjectively, behaviourally (e. g. , reaction time, physiologically (e. g. , mslt, mwt) As a passenger in a car riding for an. Lying down to rest in the afternoon: epworth sleepiness scale hour without a break when circumstances permit. In a car, while stopped for a few minutes in traffic. Pupillography: pupil oscillation is measured by having participants sit in a dark room with eyes open and fixated on a spot of light. Smaller pupils = higher sleepiness (higher theta) Eeg microsleeps: brief periods of sleep during waking. Shorter sleep onset latency = higher sleepiness. Tests of sleep onset latency mslt and mwt. Time to fall asleep: normal = 10 to 20 minutes, pathological sleepiness = 5 or 6 minutes. Problem people overextend and ignore the drive to sleep. Each of us has a specific daily sleep need.
