There are many paths to become a nurse in Tennessee. The path you take will mostly depend upon the type of nurse youâd like to become and your current or prospective level of education. The higher your level of education, the more opportunities youâll have to choose where and how you pursue your career in nursing.
1 400mg of caffeine is the recommended daily allowance for average person. 2  16oz Starbucks 'Grande' contains 330mg, according to study.  But scientists stress that tolerance levels of the stimulant can vary widely.
How much caffeine should I have? If you are having trouble sleeping, you should try to limit the amount of caffeine that you have. It is best to have no more than 200mg per day. You should not have any for at least 4 hours prior to bedtime. Many people will find that their sleep improves with just this change. But you should also keep in mind that caffeine is addictive. This means that if you stop suddenly, you may suffer from headaches, tiredness and anxiety.