Tea and sleep: what to drink in the evening

A tea break can help you unwind, but caffeine may still keep you awake. If evening tea affects your sleep, try changing the time and amount you drink before looking for a different variety.

Lapsang Souchong tea in two small cups.
Photo: Difference engine · CC BY-SA 4.0

Move caffeine earlier

Try finishing caffeinated drinks 8 hours before bed: by 15:00 for a 23:00 bedtime. This is a starting point, not a guaranteed safe interval. High sensitivity or a large dose may call for an earlier cutoff. Count coffee, energy drinks and all your tea, including repeated infusions.

Choose by ingredients

Closer to bedtime, you can drink warm water or a caffeine-free infusion such as plain rooibos. Check blends: yerba mate, guarana and tea leaves contain caffeine. Decaffeinated tea usually retains some caffeine; an “evening” name proves nothing. Herbal blends also need checking during pregnancy or if you have a condition or take medicines.

Do not rely on smooth taste or rinsing

Shu, aged white tea and GABA oolong all contain caffeine and can affect sleep. Theanine does not cancel that effect. Rinsing or discarding the first infusion will not make tea caffeine-free, and cold brewing extracts caffeine too. Using fewer leaves and drinking less can reduce your intake, though it will not remove caffeine entirely.

Track the habit for one or two weeks

Note tea times and amounts, bedtime, night waking and daytime alertness. Keep your wake-up time roughly consistent. If you usually consume a lot of caffeine, reduce it gradually to avoid adding withdrawal headaches. If poor sleep persists and affects your day, discuss the diary with a clinician.

Questions and answers

If I fall asleep quickly after tea, does that mean it has no effect?

Not necessarily. Caffeine can affect sleep duration and continuity as well as falling asleep. Compare several nights and how you feel during the day, rather than judging one evening.

Do rooibos or chamomile work as sleeping pills?

Being caffeine-free does not establish a treatment for insomnia. A drink can be a pleasant part of an evening if its ingredients suit you, but it does not replace care for persistent sleep problems.