Skip to content

Tag: Sleep debt

Explore our comprehensive collection of health articles in this category.

Why am I tolerant to caffeine? Genetics, tolerance, and sleep debt explained

4 min read
According to research, about 50% of people are 'fast' caffeine metabolizers, which significantly influences their tolerance. The feeling that you are tolerant to caffeine can stem from a variety of factors, including genetic makeup, regular consumption, and sleep patterns. This article explores the scientific reasons behind high caffeine tolerance and offers practical advice for managing it.

Why Do Energy Drinks Not Work Anymore? The Scientific Reasons

5 min read
According to one study, an estimated 30% of young adults in the U.S. regularly consume energy drinks. However, many habitual users eventually reach a point where the once-powerful buzz disappears completely, leaving them wondering why do energy drinks not work anymore. The answer lies in several interconnected physiological factors.

At what point does caffeine stop working? Understanding your tolerance

4 min read
Research indicates that for regular caffeine consumers, the feeling of increased alertness is often a result of reversing withdrawal symptoms rather than a genuine performance enhancement above normal. This reality prompts many to ask, at what point does caffeine stop working, and why does their daily brew lose its former potency?

Why Do I Feel Like Caffeine Doesn't Affect Me Anymore?

5 min read
Over 80% of US adults consume caffeine daily, yet many eventually question why they feel like caffeine doesn't affect me anymore. This common experience can be attributed to several factors, from building a physiological tolerance to genetic predispositions and accumulated sleep debt.

Why Does Caffeine Not Give Me Energy?

4 min read
According to research, approximately 69% of Americans consume at least one caffeinated beverage daily, expecting a boost. But for many, the opposite happens, leaving them feeling more fatigued than before. If you're wondering, "Why does caffeine not give me energy?" the answer involves a complex mix of your body's unique biology and lifestyle habits.

Why Do My Energy Levels Drop in the Afternoon? The Ultimate Guide

5 min read
Experts state that the natural ebb and flow of our body's internal clock, known as the circadian rhythm, causes a normal dip in alertness during the mid-afternoon. Understanding why your energy levels drop in the afternoon is the first step toward reclaiming your productivity and focus for the second half of the day.

Is it possible to get sleepy from coffee?

5 min read
According to the Sleep Foundation, adenosine is a neurotransmitter that promotes your sleep drive, and while coffee blocks its receptors, it can paradoxically cause sleepiness under certain conditions. So, is it possible to get sleepy from coffee? Yes, and it's a frustratingly common phenomenon for many people.