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Why Am I Like This?

Can Humans Change Their Sleep Cycle?

Season 1 Episode 6 | 8m 03s

Have you ever wondered why some people are early birds, and others are night owls? Are you the type who always falls asleep at 8 pm no matter what, or do you stay awake until 2 am finishing work? It really gets you thinking-Why DO we have sleep.

Aired: 12/07/22
Funding for WHY AM I LIKE THIS is provided by the National Science Foundation.
Extras
Watch • 7:48
Why Am I Like This?
Why Does My Voice Sound Like This?
We explore how the structure of our vocal tract produces sound and why humans speak.
Episode: S1 E8 | 7:48
Watch • 12:13
Why Am I Like This?
Can We Change Our Body Type?
We walk through the types of muscles and hormones that transform the body.
Episode: S1 E7 | 12:13
Watch • 10:55
Why Am I Like This?
Why Do We Get Allergies? (And Are They Really Necessary?)
Let's walk through how our immune system evolved and what affects our allergies.
Episode: S1 E5 | 10:55
Watch • 9:31
Why Am I Like This?
Where Does Our Stress Come From?
We explore the evolutionary function of stress.
Episode: S1 E4 | 9:31
Watch • 9:46
Why Am I Like This?
Why Do We Have Different Hair Types?
We walk through why hair varies so much across all humans.
Episode: S1 E3 | 9:46
Watch • 9:20
Why Am I Like This?
Where Does My Skin Color Come From?
In this episode, Dr. Tina Lasisi walks us through how we genetically inherit skin color.
Episode: S1 E2 | 9:20
Watch • 10:38
Why Am I Like This?
How Did We Evolve a Sense of Smell?
In this episode, we walk through how our brain develop and process smell.
Episode: S1 E1 | 10:38
Latest Episodes
Watch • 7:48
Why Am I Like This?
Why Does My Voice Sound Like This?
We explore how the structure of our vocal tract produces sound and why humans speak.
Episode: S1 E8 | 7:48
Watch • 12:13
Why Am I Like This?
Can We Change Our Body Type?
We walk through the types of muscles and hormones that transform the body.
Episode: S1 E7 | 12:13
Watch • 10:55
Why Am I Like This?
Why Do We Get Allergies? (And Are They Really Necessary?)
Let's walk through how our immune system evolved and what affects our allergies.
Episode: S1 E5 | 10:55
Watch • 9:31
Why Am I Like This?
Where Does Our Stress Come From?
We explore the evolutionary function of stress.
Episode: S1 E4 | 9:31
Watch • 9:46
Why Am I Like This?
Why Do We Have Different Hair Types?
We walk through why hair varies so much across all humans.
Episode: S1 E3 | 9:46
Watch • 9:20
Why Am I Like This?
Where Does My Skin Color Come From?
In this episode, Dr. Tina Lasisi walks us through how we genetically inherit skin color.
Episode: S1 E2 | 9:20
Watch • 10:38
Why Am I Like This?
How Did We Evolve a Sense of Smell?
In this episode, we walk through how our brain develop and process smell.
Episode: S1 E1 | 10:38