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.
Teenagers need a minimum of 9 hours of sleep a night, yet the average teen. gets about six - 7 hours a night! Many believe this âsleep debtâ can be made up. on weekends by sleeping in late. Not so says the research. Your body and brain. do not adjust to lack of sleep and sleep is not an option, itâs a need. Teenagers need a minimum of 9 hours of sleep a night! Approximately every 90-minutes during sleep, the brain goes through four stages. of sleep, from light sleep to deep sleep.