PS101 Lecture Notes - Lecture 7: 2Degrees, Insomnia, Ecological Niche
Document Summary
Can influence many factors. (how you write an exam) Through a 24 hours period, your body temperature will vary between 2 degrees. When our body temperature is at its max, we are at our max. During the evening, the immune system recedes slightly. The control of this rhythm is found in the hypothalamus in the supercliasmatic nuclei. Secretes melatonin, makes us want to go to sleep. Melatonin levels peak during the hours of 1 and 3. Micro sleeps are 10-20 second sleeps that can happen at the wheel. When the mind is tired the memory is not as effective and clear, judgement is skewed. Between 1-6 am it is normal for us to feel tired. Circadian rhythm phase advance (jet lag) flying from west to east. Most do not like the phase advance because it leads to more accidents. (7% increase in accidents) When you are allowed to sleep as much as you need, you average 10. 3 hours a day.
