Blue light emitted by devices like smartphones, computers, and televisions is becoming a major factor disrupting our sleep cycles. Research reveals that a significant number of Americans use electronic devices close to bedtime, contributing to poor sleep quality. Reducing exposure to blue light, particularly in the evening, is a simple yet effective way to help your body prepare for restful sleep.

What Is Blue Light?

How Does Blue Light Impact Circadian Rhythms?

Circadian rhythms are 24-hour cycles that control essential bodily functions, including sleep. Light is the primary factor that aligns these rhythms with day and night. Historically, exposure to sunlight during the day helped set our body clocks, signaling when to be awake and when to sleep. However, the widespread use of artificial lighting and electronic devices has introduced more light exposure after dark, disrupting these natural cycles.

Blue light, in particular, has the strongest impact on circadian rhythms. During daylight hours, blue light helps us feel alert by stimulating the brain, raising body temperature, and increasing heart rate. But in the evening, exposure to blue light can confuse the body’s internal clock, suppressing melatonin—the hormone responsible for making us feel sleepy. As a result, our brains may remain in “daytime mode,” preventing us from winding down for the night.

Health Consequences Of Disrupted Sleep

Persistent disruption of circadian rhythms can lead to a range of health issues, including metabolic disorders, poor mental health, and increased risk for conditions like depression and anxiety. Furthermore, the inability to sleep well at night affects cognitive performance, mood, and overall well-being. Chronic exposure to blue light in the evening may significantly contribute to these negative health outcomes.

Devices That Emit Blue Light

Many common devices in our daily lives emit blue light, including:

- Smartphones and tablets

- Computer monitors and laptops

- Televisions and e-readers

- LED and fluorescent lighting

- Video game consoles

How To Minimize Blue Light Exposure

To reduce the effects of blue light on your sleep, here are some practical strategies:

1. Turn off screens before bed: Try to avoid using electronic devices at least two to three hours before bedtime. Reducing screen time helps prevent blue light from interfering with melatonin production.

2. Adjust your lighting: Dim your home’s lights or switch to warmer-toned lighting in the evening. You can also use lamps with red or orange light, which are less likely to impact your circadian rhythms.

3. Night mode settings: Many smartphones and computers have a "night mode" feature that reduces blue light emission. Make use of these features to limit exposure in the hours leading up to bedtime.

4. Blue light-blocking glasses: Special glasses designed to filter out blue light may be helpful for some individuals. These glasses can block or reduce the melatonin-suppressing effects of blue light.

5. Apps for blue light reduction: There are several smartphone and computer apps available that reduce blue light emission, allowing you to use your devices before bed without disturbing your sleep.

6. Create a sleep-friendly environment: If you can’t control light sources in your bedroom, consider using an eye mask to block out ambient light and promote better sleep.

What does it take to become a CEO? Decades of hustle and hard work. J Michael Prince, CEO of US Polo Assn., probably had the same idea. But after years of toiling away, he landed at a startling realization – he could have done it all without pushing himself to the limit. He recently opened up about the importance of work-life balance and setting aside time for yourself at the end of the day.

Work-Life Balance And Burnout

In a conversation with Fortune, Prince said that he now makes a conscious effort to avoid contacting his employees outside office hours unless it’s an emergency.

He said, “One thing I try to respect is—and this never really happened to me throughout my career—unless there’s something major going on, I try to leave people alone in the evenings, so you rarely ever get an email or text from me after the office.”

He spoke about the importance of personal time and allowing oneself to reset after a workday. “I leave the office, and I really try to respect people’s weekends, because I feel like that’s your family time, that’s your personal time, that’s your friendship time, that’s your time to reset, recharge spiritually, mentally, physically, emotionally,” he added.

HealthandMe spoke to Dr. Samant Darshi, Consultant- Psychiatrist & Neuromodulation Expert, Director - Psymate Healthcare, Noida, about the importance of maintaining work-life balance to prevent burnout.

Read more: Doctors Day: From Burnout To Work Anxiety, The Mental Health Struggle Doctors Rarely Talk About

The expert says that it is necessary to maintain a balance between work and life since it helps in enhancing health and well-being, reduces stress, increases productivity, and develops meaningful relationships. Maintaining a balance would lead to higher job satisfaction and happiness in life.

Dr Darshi says, “Work-life imbalance increases levels of stress and anxiety and causes emotional exhaustion. Persistent stress can result in depression, insomnia, hypertension, decreased immunity, and cardiovascular diseases. Lack of rest and time for leisure activities causes a loss of concentration and low self-esteem, thus making everyday life more stressful and challenging.”

Tackling Burnout

Prince admitted he didn’t always give importance to work-life balance. Earlier in his career, he regularly worked 90-hour weeks, stayed up through the night, and rarely slowed down. Looking back, he said he could have achieved the same goals without sacrificing so much of his health and time.

Prince said, “I could have eaten differently, I could have been a little more thoughtful about my sleep, about my routine around working out, my travel.”

According to Dr Darshi, work-life imbalance leads to a feeling of burnout. Experiencing constant stress, unrealistic expectations, and lack of time for leisure gradually exhausts physical and emotional resources. Eventually, motivation tanks, productivity drops, fatigue, detachment, frustration, and inability to function increase.

He explains, “Burnout adversely impacts the mental state of an individual by causing symptoms such as emotional fatigue, anxiety, depression, irritability, and hopelessness. It causes demotivation and loss of focus in addition to making individuals feel insecure. If not addressed, it may adversely impact personal relationships, affect work, and cause chronic health conditions.”

While many people blame pollen or changing weather for their allergies, health experts say hidden allergens inside the home may be just as responsible. On the occasion of World Allergy Day on July 8, doctors highlighted that dust mites, mold, pet proteins, and household products are among the often-overlooked triggers that can affect indoor air quality and contribute to persistent allergy symptoms.

They also cautioned that chronic allergies should not be dismissed as a minor inconvenience, as they can affect sleep, respiratory health, and overall quality of life.

What Is A Chronic Allergy?

Dr. Sanjiv Dang, ENT & Allergy Specialist, Apollo Hospitals, Delhi, told HealthandMe that allergy symptoms lasting for weeks, months, or throughout the year may indicate chronic allergies and should not be ignored.

He explained that "allergies occur when the immune system overreacts to substances such as dust mites, pollen, mold, pet dander, or certain foods, releasing histamine". This can lead to symptoms including sneezing, nasal congestion, a runny nose, itchy eyes, and throat irritation.

Hidden Allergens Go Beyond Pollen

Also read: UK Met Office Warns of 'Pollen Bomb': What Hay Fever Patients Need to Know

Prof. (Dr.) Dwaipayan Mukherjee, Consultant ENT Surgeon, Kolkata, told HealthandMe that flower pollen is often blamed for seasonal allergies, but it is usually not the main culprit because its grains are larger and less likely to remain airborne. Instead, he said most seasonal allergies are caused by microscopic airborne pollen from grasses, weeds, and trees.

Dr. Mukherjee, also the Past President of the Association of Otolaryngologists of India (AOI), added that homes can also harbor numerous microscopic allergens that negatively affect indoor air quality. Common triggers include:

• Dust Mites

• Mold

• Pet Proteins

Household Products and Indoor Plants

Cleaning sprays, air fresheners, scented candles, and similar products may emit compounds that irritate sensitive airways and worsen allergy symptoms despite creating the impression of a cleaner environment.

Indoor plants can also become a source of allergens if mold develops in damp potting soil or if certain plants release pollen. Outdoor pollen from trees, grasses, and weeds can also enter homes on clothing, shoes, and hair before settling on indoor surfaces, the experts said.

How Persistent Allergies Affect Health

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Dr. Dang said chronic allergies are more than just a runny nose. Persistent nasal congestion can disrupt sleep, leading to snoring, frequent awakenings, daytime fatigue, poor concentration, reduced productivity, and mood changes.

He added that ongoing allergic inflammation can affect both the upper and lower airways. People with chronic allergies are at a higher risk of developing asthma, while those who already have asthma may experience worsening symptoms such as coughing, wheezing, chest tightness, and shortness of breath.

Chronic allergies can also block normal sinus drainage, increasing the risk of recurrent sinus infections. Facial pressure, headaches, post-nasal drip, persistent congestion, and a reduced sense of smell may all indicate allergy-related sinus problems.

How To Prevent Chronic Allergies

The experts advised relying solely on over-the-counter medications, saying they may provide temporary relief without addressing the underlying cause. They noted that prolonged use of certain nasal decongestant sprays can even worsen congestion over time, and also recommended consulting a healthcare professional if allergy symptoms persist for several weeks or throughout the year.

To help manage chronic allergies, the experts recommended:

• Improving ventilation indoors.

• Controlling indoor humidity.

• Using HEPA air cleaners.

• Cleaning the home regularly.

• Eliminate excess moisture.

• Identifying and reducing exposure to allergy triggers.

• Controlling mold growth indoors.

Learning a second or even a third language may do more than expand your communication skills. According to a new study presented at the Federation of European Neuroscience Societies (FENS) Forum 2026 in Barcelona, learning a new language could also help keep your brain younger as you age.

The findings of the study say that people who speak multiple languages have brains that appear biologically younger than those who speak only one language. The research added to the growing evidence that multilingualism has a beneficial effect on healthy cognitive ageing.

About The Study

To investigate how language affects the ageing brain, researchers analysed brain activity in adults living in Spain's multilingual Basque region.

They used magnetoencephalography (MEG), a non-invasive brain imaging technique that records the brain's electrical activity, along with artificial intelligence (AI) to ascertain each participant's brain age.

Rather than relying on a person's actual age, the AI model assessed how well different regions of the brain communicated with one another, a key marker that normally weakens with age.

Researchers first trained the AI using brain scans from 728 adults with varying language abilities before validating the findings in an independent group of 144 participants.

Read more: Normal Ageing or Alzheimer's? Doctors Explain Six Key Differences to Watch For

The results revealed an association between multilingualism and a younger-looking brain. Compared with people who spoke only one language, bilingual participants had brains that appeared around six years younger. Those who spoke three languages had brains that looked approximately seven years younger, while participants fluent in four languages had brains that appeared up to 13 years younger.

Researcher Lucia Amoruso, deputy scientific director at the Basque Center on Cognition, Brain and Language in San Sebastián, Spain, said, “In simple terms, people who spoke more languages tended to have brains that looked younger than expected for their chronological age.”

The researchers also found that language proficiency mattered. People who learned additional languages earlier in life and became more fluent showed even greater differences in brain age.

Is Multilingualism The Key To Keep Your Brain Younger?

Scientists believe speaking multiple languages provides the brain with a constant mental workout. Regularly switching between languages requires attention, memory, problem-solving and cognitive control, all of which strengthen the neural networks involved in thinking and decision-making.

This exercise may help maintain stronger communication between brain regions, increasing the brain's resilience against age-related decline.

While the team considered factors like age, sex, and education, multilingual individuals may also be more likely to engage in other habits that are beneficial for the brain.

Although the findings are encouraging, the researchers say that the study does not prove that learning another language directly slows brain ageing or prevents dementia. Experts say further long-term studies are needed to determine whether multilingualism can reduce the risk of neurodegenerative diseases such as Alzheimer's disease.

Despite the need for more research, scientists say the findings offer another compelling reason to learn a new language. Whether through formal classes, language-learning apps or everyday conversations, developing language skills could provide meaningful mental stimulation throughout life.