Podcast
Questions and Answers
What are the two main sources of signals that make us feel sleepy?
What are the two main sources of signals that make us feel sleepy?
- Signals from our stomach and signals from our skin
- Signals from our muscles and signals from our bones
- Signals from our body and signals from the environment (correct)
- Signals from our brain and signals from our heart
Why do we feel sleepy when it's dark outside?
Why do we feel sleepy when it's dark outside?
- Because our brain is producing more serotonin
- Because our environment is sending signals to our brain (correct)
- Because our body is producing more melatonin
- Because our heart is beating slower
What is the primary function of signals from our body?
What is the primary function of signals from our body?
- To tell our brain we are tired (correct)
- To wake us up
- To regulate our body temperature
- To make us feel hungry
What happens when our brain receives signals from our body and environment?
What happens when our brain receives signals from our body and environment?
What is the relationship between darkness and sleepiness?
What is the relationship between darkness and sleepiness?