How the disease spreads. 1  Breathing in dust that is contaminated with rodent urine or droppings. 2  Direct contact with rodents or their urine and droppings. 3  Bite wounds, although this does not happen frequently.
1 40 percent of American adults get six hours or less per night; 58 percent of teens average only seven hours of sleep or less. 2  The National Sleep Foundation has released updated guidelines detailing the recommended amount of sleep for various age groups.
You need about 10 to 11 hours of sleep a night. Getting enough sleep every night helps your body grow and have energy. RESULTS: Whoa! It looks like you learned a lot about animals and how they sleep. Take this quiz again and see if you can score higher.