Caffeine & Sleep
Tea

Caffeine in Sencha Green Tea

25mg
per 8 oz
6% of FDA daily max

Is that a lot?

Sencha Green Tea is 6% of the FDA’s recommended daily maximum, in a single 8 oz.

Sencha Green Tea
25 mg
Green tea
28 mg
Espresso
63 mg
Red Bull
80 mg
Coffee
95 mg
FDA daily max · 400mg
Before bed

When can I drink Sencha Green Tea and still sleep?

Your Sencha Green Tea cutoff
You drink it at
Bedtime
Sencha Green Tea · 25 mg · assuming an average ~5 h half-life
At bedtime
8 mg
close to optimal
Latest safe Sencha Green Tea: 11:00 PM

How much caffeine is in Sencha Green Tea?

Sencha, the everyday Japanese green tea, carries about 25 mg of caffeine per cup, a quarter of a coffee's load. It gives a light, grassy lift that's easy to enjoy throughout the day.

ServingCaffeineSugar
8 oz25 mg0 g

Common Japanese green tea; ~20–30 mg.

Will Sencha Green Tea affect your sleep?

At 25 mg, sencha starts well below the 50 mg threshold and clears quickly, so it rarely affects sleep. It's a gentle enough tea to enjoy in the evening.

Source: Published assays

Related drinks

Sencha Green Tea & sleep — FAQ

Unlikely, at about 25 mg sencha sits below the 50 mg threshold, so an evening cup is unlikely to keep most people up.

Sencha Green Tea has 25 mg per 8 oz — about 6% of the FDA’s 400 mg daily maximum for healthy adults.

It depends on your bedtime and how fast you clear caffeine. Use the calculator above to see when Sencha Green Tea drops below the ~50 mg “ok to sleep” threshold for your bedtime.

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