when to stop drinking coffee in day
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To optimize caffeine consumption and avoid disrupting the quality of sleep, suggests avoiding caffeine intake 8 to 12 hours prior to bedtime. He specifically recommends against consuming caffeine after 4:00 PM and ideally suggests stopping by 2:00 PM or 3:00 PM 1. Additionally, he encourages delaying caffeine intake for 90 to 120 minutes after waking up to help prevent the afternoon energy crash and maintain better alertness throughout the day 1 2.
While acknowledges that some people may manage to fall asleep despite consuming caffeine in the afternoon or evening, he points out that even if you can sleep, the architecture of your sleep may suffer, affecting the quality and restfulness of the sleep 3 4.
In summary, it's best to have your last caffeine intake no later than 2-3 PM and to consume caffeine after allowing some time to pass after waking up in the morning to avoid afternoon tiredness and secure better sleep quality.
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