CLINICAL MEDICINE

Detailed explanation-1: -While there’s plenty of research showing that caffeine disrupts sleep, only one study has examined how the timing of caffeine intake affects sleep. The study results showed that having caffeine even as early as six hours before bedtime can impact sleep, even if you don’t actually notice the disruption.

Detailed explanation-2: -Because of this effect, caffeinated foods and beverages, including soda, coffee, caffeinated tea, and caffeinated chocolate products may negatively affect sleep and keep you awake at night. In fact, research shows that consuming coffee, even many hours before bedtime, can affect sleep.