Birds' Vigilant Sleep
Why Do Birds Sleep With One Eye Open? Understanding Unihemispheric Slow-Wave Sleep

Discover why birds sleep with one eye open to stay alert against predators using unihemispheric slow-wave sleep for survival.

Flying Ducks Sleep
Can Ducks Sleep While Flying? A Fascinating Look at Unihemispheric Sleep

Learn how ducks can sleep during flight using unihemispheric sleep—an extraordinary survival mechanism during migration.