Attention span is a vital cognitive function that affects our ability to learn, focus, and complete tasks effectively.
However, it is not a fixed trait – it evolves throughout life due to brain development, environmental factors, and lifestyle choices.
Biological influences on attention span

Brain development, neurochemistry, and hormonal changes significantly affect attention span.
Adolescents, for example, experience major brain reorganization that impacts focus and emotional regulation.
Also read: How Long Should You Be Able to Balance on One Leg?
Environmental factors

The presence of distractions, noise levels, and the overall learning environment shape attention span.
A structured and engaging setting can help individuals of all ages improve their ability to concentrate.
The impact of screen time

Excessive exposure to screens, especially social media and digital entertainment, can shorten attention spans across all age groups.
Managing screen time and taking regular breaks can help maintain focus.
Also read: The best way to fuel up before a long run
Sleep and health habits

Fatigue, poor sleep, and underlying health conditions can negatively impact attention span.
Prioritizing rest, exercise, and a balanced diet can improve cognitive function and concentration.
Infancy and toddlerhood (0-3 years)

During the first three years of life, attention spans are extremely short, lasting only a few seconds to minutes.
Infants and toddlers are naturally curious, constantly shifting focus as they explore their surroundings through their senses.
Also read: Here’s How Far You Should Be Able to Cycle Based on Your Age
Early childhood (3-6 years)

Attention span begins to expand slightly, allowing children to focus for about five to fifteen minutes.
Structured activities such as storytelling and puzzles help improve their ability to concentrate. However, distractions still easily disrupt their focus.
Middle childhood (6-12 years)

Children in this stage can concentrate for fifteen to thirty minutes or more, particularly in structured learning environments.
Schools play a significant role in developing attention span through interactive lessons and activities that encourage focus.
Also read: How Long Should an Average Person Be Able to Hold Their Breath?
Adolescence (12-18 years)

Teenagers’ attention spans become more adult-like, allowing them to focus for extended periods, often hours at a time.
However, distractions such as social media, video games, and peer interactions can interfere with sustained attention.
Adulthood (18+ years)

Adults generally have the longest attention spans, often lasting for several hours when engaged in tasks.
However, work pressures, family responsibilities, and digital distractions can challenge their ability to maintain focus.
Also read: How to stop biting your nails
Older adulthood (60+ years)

Attention span tends to decline with age, and older adults may struggle with sustained focus.
Engaging in mentally stimulating activities, such as puzzles and reading, can help maintain cognitive function and attentional capacity.
This article is based on information from Neeuro.