PSYB64H3 Chapter Notes - Chapter 11: Stress Management, Echidna, Platypus
Document Summary
Epworth sleepiness scale used to measure daytime sleepiness. Melatonin provides a key signal for the maintenance of circadian rhythms changes in melatonin release is implicated in coronary heart disease, oxidative stress, and dec immune function, cancer. Breast cancer is linked to the exposure to artificial light. Night shift workers higher rate of breast cancer due to the melatonin contributions to immune system function and its ability to suppress estrogen synthesis. High body mass index (bmi) and smoking = low melatonin levels. Maintaining a healthy weight and avoiding smoking is helpful is offsetting some neg effects of artificial lighting. Nrem sleep) activity occurs, heart rate and muscle tension begin to decrease: disturbed by muscle jerk (in arm/leg) = myoclonia. Interrupts sleep, no harm is being done to the sleeper: mycoclonia muscle jerk occurring in early stages of sleep, after 10-15 mins, stage 1 goes to stage 2.
