What's the best morning beverage?

Water first, then coffee or tea if you like. A glass of water is an easy start after a night without drinking. For caffeine, the time you have it in the morning matters less than avoiding it in the afternoon and evening, when it can disturb your sleep.

Water first

You go the whole night without drinking, so a glass of water before anything else is a simple, zero-cost way to start the day.

Caffeine timing

A popular tip says to wait 60–90 minutes before your first coffee so it works with your natural morning cortisol rise. The idea has not been well tested. What is well established: caffeine reaches its peak in your blood about 30–60 minutes after you drink it (Cappelletti et al., 2015), and both the CDC and the American Academy of Sleep Medicine advise avoiding it in the afternoon and evening so it does not disturb your sleep.

Avoid

Go easy on sugary morning drinks. A meta-analysis of 31 studies found that sugar and other carbohydrates did not lift mood at any point, and were linked to more fatigue and less alertness within the first hour (Mantantzis et al., 2019).

Sources

  1. Cappelletti et al., Current Neuropharmacology, 2015. Caffeine: Cognitive and Physical Performance Enhancer or Psychoactive Drug?
  2. Mantantzis et al., Neuroscience & Biobehavioral Reviews, 2019. Sugar rush or sugar crash? A meta-analysis of carbohydrate effects on mood
  3. Centers for Disease Control and Prevention. CDC — Sleep and Sleep Disorders
  4. American Academy of Sleep Medicine. Healthy Sleep Habits (Sleep Education)

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