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).
Keep a dream journal. Keep it close by your bed at night, and write down your dream immediately after waking, or the emotions and sensations you experience right when you wake up. This will train you to remember more of your dreams, which is important for lucid dreaming.old on to this thought as you drift back to sleep, and you may enter a lucid dream. 1  Note that most lucid dreams occur while the person is fully asleep, usually because he notices a bizarre event and realizes he's in a dream. 2  This is just an alternate trigger that starts off about 25% of lucid dreams.