of the best-known effects of caffeine is sleep. Drinking coffee in the afternoon or evening can make it harder to fall asleep or interfere with sleep quality.
Caffeine affects the nervous system, and its effects can last for several hours. Those who are particularly sensitive may feel the effects even after a relatively small amount.
Less regular sleep can in turn affect how tired you feel during the day, creating the paradox of reaching for another cup of coffee to counteract the drowsiness.
Nervousness and palpitations among the effects of
