Why Aren’t Humans Naturally Nocturnal?

By KidzSearchFrom YoutubeJanuary 23, 2026

#Human-Evolution

#Diurnal-Adaptations

#Eyesight-Limitations

#Circadian-Rhythms

#Safety-First

#Sleep-Patterns

#Predator-Avoidance

#Activity-Cycles

#Environmental-Pressures

#Evolutionary-Tradeoffs