An inactive state resembling deep sleep in which certain animals living in cold climates pass the winter. In hibernation, the body temperature is lowered and breathing and heart rates slow down. Hibernation protects the animal from cold and reduces the need for food during the season when food is scarce. Compare estivation.
Does Dreaming Indicate a Good Nightâs Sleep? Dreams are typically indicative of a good nightâs sleep, demonstrating that you have passed through the light sleeping phase (NREM) and entered into a deep sleep (REM).
Every night when you go to bed, focus on what you want to dream about. Soon, you may find you can shape your dreams. Some people can control dreams while they're happening. It's called lucid dreaming -- they know they're dreaming and can change the story as they go.very night when you go to bed, focus on what you want to dream about. Soon, you may find you can shape your dreams. Some people can control dreams while they're happening. It's called lucid dreaming -- they know they're dreaming and can change the story as they go.