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.
* How many hours do you sleep each night? Any answer is, of course, acceptable, but the ideal answer is in multiples of 90 minutes. That means an individual should plan for six hours (four 90-minute cycles), seven and a half hours (five 90-minute cycles), or nine hours (six 90-minute cycles) of sleep each night.t takes 45 minutes to float down into the deepest point of your first sleep cycle. If youâre awakened while in this stage of sleep, youâll feel very disturbed. But as soon as you reach this deep phase, you start on your way back up the right side of the âVâ toward a lighter sleep.