2 min read · From the Coffig journal · First published February 2023, lightly updated 2026
Caffeine and Insomnia
Caffeine is one of those things that you might ingest even if you make valid attempts not to. It is addictive and it shows up in all types of food and drinks. Caffeine is also found in many prescription medications that many people do not know about. Caffeine as most knows it is something that is in cola, coffee, tea, and chocolate. Most people also know that caffeine can cause insomnia which is why many people avoid such drinks as pop and coffee in the evening hours. Yet, millions of Americans begin their day with a fresh hot cup of coffee or tea because they claim it gives them the boost that they need to get going.
Besides being habit-forming, caffeine is a true central-nervous-system stimulant — a far milder relative of stronger stimulant drugs, but working along the same wake-promoting lines. Caffeine is linked to many cases of insomnia, as a matter of fact, it is the biggest substance linked to insomnia. Another way that caffeine can hinder sleep is because it is a diuretic that stimulates the kidneys causing people to have to urinate more frequently than normal and very often throughout the night.
It is said that only 100–200 milligrams of caffeine can relieve drowsiness. Consider the following: one espresso has about 200 mg of caffeine, a cup of coffee about 100 mg, a 12-oz cola about 45 mg, one Midol 32 mg, and one Excedrin 85 mg. Even a cup of decaf carries residual caffeine — a few milligrams, often more. If sleep is the goal, the cleaner answer isn't a weaker version of the same drug; it's a cup with none at all. That is exactly the gap Coffig was made to fill: a dark, roasted evening cup that cannot touch your sleep.
Some people are sensitive to caffeine while others are not, but if you find a relationship between a bad night's sleep and your caffeine intake, that doesn't mean giving up the warm cup in your hands — just make sure what's in it is truly caffeine-free. (Roasted fig brews like Coffig are caffeine-free by nature, not by processing.) The most common sources of caffeine are coffee, cocoa beans, cola nuts, and tea leaves; the amount in a product depends on the serving size and how it is prepared, and people differ greatly in their sensitivity.
Many people feel a jittery feeling from caffeine and learn very quickly to avoid caffeine after a certain time if they plan on sleeping. Caffeine increases the secretion of stress hormones such as adrenaline so if a person is already secreting higher stress hormones then caffeine could cause a rapid increase that would definitely trigger a period of insomnia. People usually do not give much thought to their caffeine intake, but in research settings, high doses of caffeine have been used to deliberately trigger panic attacks in susceptible patients. That gives you something to think about.
Sources & the peer-reviewed record
- Drake C et al., Journal of Clinical Sleep Medicine 9(11):1195–1200 (2013) — caffeine taken even six hours before bed significantly disrupts measured sleep
- Van Dongen HP et al., Sleep 26(2):117–126 (2003) — two weeks of 6-hour nights produces deficits equal to total sleep deprivation
The full cited case against caffeine lives on our Why Caffeine-Free page.
Keep the ritual. Lose the chains.
Coffig is 100% organic roasted fig — brewed like coffee, naturally caffeine-free.