Is 3pm too late for black tea? Your Guide to Caffeine, Sleep, and Timing
                                
                                
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                                    5 min read                                
                            
                                According to the Sleep Foundation, experts recommend avoiding caffeine at least eight hours before bedtime to minimize sleep disruption. While 3 p.m. seems like a reasonable afternoon treat, for many, that timing could have a lingering effect on their sleep quality.