The ideal time to drink coffee for peak energy levels — and how many cups you should have a day By . Diana Bruk. Published March 14, 2025, 11:27 a.m. ET.

The best time to drink coffee, according to a dietitian, is not when most people think it is. (iStock) "There is no specific time that's best to drink caffeine," she added.

Growing coffee in hydroponic systems and vertical farms would be challenged by high energy needs and water management issues, says agriculture engineer and FAO specialist Leone Magliocchetti Lombi.

Optimum coffee time: Morning hours. To optimise the health benefits of coffee, particularly for heart health and longevity, it is advisable to consume coffee primarily in the morning hours.