Could That Late Coffee Be Following You to Bed?
The afternoon coffee gets you through work, but bedtime arrives and your mind is still awake. Caffeine affects people differently, and timing may be worth noticing when sleep is difficult. You do not need to turn the observation into another strict rule.
Look at the whole evening
Coffee, tea, cola and energy drinks can all contribute caffeine. Notice when you have them and whether late intake seems to coincide with difficulty settling. Try an earlier cutoff or a different drink that suits you.
Keep expectations realistic
Changing a drink may help your routine, but it will not explain every sleep problem or change in desire. If poor sleep continues or affects daily life, ask for advice. Rest deserves attention without making your next intimate evening a test of whether the change worked.