The National Sleep Foundation and Mayo Clinic recommend a strict timeframe for consuming caffeine to avoid sleep disruption. Their guidance centers around allowing sufficient time for the liver to metabolize the stimulant. While a specific time wasn’t detailed in this report, the organizations emphasize the importance of respecting this metabolic window. Failing to do so can interfere with the ability to fall asleep and achieve restful sleep. These recommendations aim to help individuals optimize their sleep hygiene. Further details regarding the precise cut-off time are likely available through the organizations directly. Prioritizing this timing can contribute to improved overall health and well-being.