How long does the effect of caffeine last ?
It takes 5-6 hours for the body to eliminate just half the caffeine in your cup of coffee. The effect may last longer in people who are sensitive to caffiene. Long Sleeve Wedding Dress
Those who have trouble falling asleep at night are therefore advised not to take coffee after noontime.
Did you know that men are more responsive to caffiene than women? They need to take it lesser than women.
Older adults are more sensitive to caffiene because it takes their bodies longer to process it.