Adult vs Bottlenose dolphin: size comparison
Adult: 1.75 m. Bottlenose dolphin: 2.8 m. Both silhouettes are drawn at the same scale.
Size ratio: ×1.6
Adult
1.75 m
What is measured Height of an adult man (global ballpark)
You're slightly taller in the morning: spinal discs compress during the day.
Source : Wikipedia — Human height
Bottlenose dolphin
2.8 m
What is measured Length of an adult bottlenose dolphin
It sleeps one brain hemisphere at a time, so it keeps breathing.