Mo

A typical single espresso uses about 50–70 coffee beans, or roughly 7–9 grams of coffee, depending on bean size and roast.

One standard cup of drip coffee uses about 10–12 grams of coffee beans per 180 ml of water, adjusted to taste and brew method.

Most adults sleep better when they stop caffeine at least 6 hours before bed, and sensitive sleepers often feel best with an 8–10 hour cutoff.

Most adults sleep better when they stop drinking coffee at least 6–8 hours before bedtime, with longer gaps for high doses or slow metabolism.

Most people feel coffee’s effect within 15–45 minutes, with peak alertness around 1 hour after drinking.

Caffeine’s effect usually lasts about 3 to 7 hours, though some people still feel it longer.

Caffeine usually stays in the body for about 10–20 hours, with most adults feeling its strongest effects for 4–6 hours after a drink.

Most adults sleep better when they stop drinking coffee 6 to 9 hours before bedtime, with longer gaps for stronger drinks or caffeine sensitivity.

Most people feel caffeine’s main effect for about 3 to 7 hours, though traces stay in your system far longer.

Most people can drink coffee about 2–3 hours after taking common antibiotics, unless their doctor or drug label advises otherwise.