A hotel-style goose-down duvet is a key to a comfortable night’s sleep. When people rave about how cozy their hotel bed was, they’re usually talking about their duvet. Just like pillows, hotels typically use duvets filled with the white goose down. The secret to achieving that fluffy, cloud-like feeling.
Whales and dolphins literally fall half asleep. Each side of their brain takes turns so they can come up for air.