How much is a First Class stamp?
zenegra For the time being, though, that is not a realistic option, and instead people are self-medicating with stimulants and sedatives. That would be bad enough, but, says Foster, the practice is spreading to a far more vulnerable group: schoolchildren. “Teenagers who get up late aren’t lazy: they naturally need more sleep than adults,” he says. “The difference between a fiftysomething and a late teen is about two hours, so making a teenager get up at 7am is like making a 55-year-old get up at 5am.” A study in America found that teenagers need an average of nine hours’ sleep, but that a quarter were getting less than six-and-a-half.