Sleep Part 1: The Biology of Sleep - a podcast by Dr. Niki Saxena and Dr. Eileen Chan
from 2019-12-10T18:00
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Here's an outline of our second episode:
- What does it do?
- How much do you need?
- Varies according to age
- Biology and science of sleep
- 2 basic stages: REM [rapid eye movement] and non-REM sleep [which has 3 different stages] and you cycle through these several times per night
- Non-REM Stage 3 is the deep sleep you need to feel refreshed in the morning, usually have longer periods of this during the first half of the night
- Circadian rhythm [or body clock] controls timing of sleep
- Chemical signals or neurotransmitters
- GABA is associated with sleep, muscle relaxation, sedation
- Norepinephrine and orexin keep brain active while we are awake
- Acetylcholine, histamine, adrenaline, cortisol and serotonin all impact sleep and wakefulness
- Genetics
- How can you tell you are getting good sleep?
- When should I worry about not getting enough sleep?
- 2 basic stages: REM [rapid eye movement] and non-REM sleep [which has 3 different stages] and you cycle through these several times per night
- Resources
Further episodes of PWG WellChat
Further podcasts by Dr. Niki Saxena and Dr. Eileen Chan
Website of Dr. Niki Saxena and Dr. Eileen Chan